Quora is a social question-and-answer website and online knowledge market headquartered in Mountain View, California . It was founded on June 25, 2009, and made available to the public on June 21, 2010. Users can collaborate by editing questions and commenting on answers that have been submitted by other users. As of 2020, the website was visited by 300 million users a month.
41-2317: (Redirected from DiAngelo ) D'Angelo (also spelt DiAngelo or Di Angelo ) is an Italian surname. Notable people with the surname include: Adam D'Angelo (b. 1984), American internet entrepreneur Andrew D'Angelo (b. 1965), American jazz musician Angelo D'Angelo (b. 1985), Italian footballer Beverly D'Angelo (b. 1951), American actress Carlo D'Angelo (1919–1973), Italian actor Charlene (singer) , full name Charlene Marilynn D'Angelo (b. 1950), American singer Charles D'Angelo (b. 1985), American personal development coach Chico d'Ângelo (b. 1953), Brazilian politician Ernesto Pérez d'Angelo (1932–2013), Chilean paleontologist Eduardo D'Angelo (1939–2015), Uruguayan actor Francesco d'Angelo (1446–1488), Italian sculptor Frank D'Angelo (b. 1959), Canadian beverage industry entrepreneur Gianna D'Angelo (1929–2013), American soprano Gianfranco D'Angelo (1936–2021), Italian actor Giuseppe D'Angelo , various people Héctor D'Angelo , Argentine retired football player and manager Ivan D'Angelo (b. 1990/1991), Italian footballer Jacopo d'Angelo (1360–1411), Italian humanist José D'Angelo (b. 1989), Argentine footballer Josephine D'Angelo (1924–2013), American baseball player Luca D'Angelo (b. 1971), Italian football manager Louis D'Angelo (1888–1958), American bass-baritone Mario d'Angelo (b. 1954), French academic Matt Di Angelo (b. 1987), British actor Mike D'Angelo (b. 1968), American film critic Mirella D'Angelo (b. 1956), Italian actress Nino D'Angelo (b. 1957), Italian singer Sabrina D'Angelo (b. 1993), Canadian soccer player Salvo D'Angelo (1909–1989), Italian film producer Santo D'Angelo (b. 1995), Italian footballer Sebastián D'Angelo (b. 1989), Argentine footballer Sharlee D'Angelo (b. 1973), bassist of Swedish melodic death metal band Arch Enemy Roberto D'Angelo (b. 1945), Italian canoeist Robin DiAngelo (b. 1956), American author Victoria Scott D'Angelo, second wife of Chuck Yeager Vincenzo D'Angelo (1951–2008), Italian water-polo player [REDACTED] Surname list This page lists people with
82-454: A metered paywall . In December 2018, Quora announced that approximately 100 million user accounts were affected by a data breach . The hacked information included users' names, email addresses, encrypted passwords, data from social networks like Facebook and Twitter if people had chosen to link them to their Quora accounts, questions they had asked, and answers they had written. Adam D'Angelo stated: The overwhelming majority of
123-464: A "horrid service for blogging" and, although a decent question and answer website, not substantially better than alternatives. Quora was highly criticized for removing question details in August 2017. According to some users, the removal of question details limited the ability to submit personal questions and questions requiring code excerpts, multimedia, or complexity of any sort that could not fit into
164-419: A $ 50 annual subscription to access content that any creator chooses to put behind a paywall. On 22 November, Quora removed the ability to answer questions anonymously. Instead, they encouraged people, who do not want to reveal their identity for legitimate reasons, to create an alternative accounts not using their real name. The move ties in the no longer needing to use real name for accounts. The intentions of
205-702: A beta version in Japanese was launched. In April 2018, Beta versions in Hindi , Portuguese , and Indonesian were launched. in September 2018, Quora announced that additional versions in Bengali , Marathi , Tamil , Telugu , Finnish , Norwegian , Swedish , and Dutch were planned. On 9 February 2017, Quora announced changes to its anonymity feature, detaching anonymous questions and edits from accounts. When asking or answering anonymously, an anonymous edit link
246-553: A feature called Stats to allow all Quora users to see summary and detailed statistics of how many people had viewed, upvoted, and shared their questions and answers. TechCrunch reported that, although Quora had no immediate plans for monetization, they believed that search ads would likely be their eventual source of revenue. Quora was evolving into "a more organized Yahoo Answers , a classier Reddit , an opinionated Misplaced Pages ", and became popular in tech circles. In April 2014, Quora raised $ 80 million from Tiger Global at
287-474: A group of core users who were particularly invested in the site, a positive feedback loop of user engagement would be created. After not selecting any 2019 or 2020 English-language Top Writers, the program was officially retired in April 2021 but will continue in other languages. Poe is a chatbot feature developed by Quora that serves as a web front end for various large language models (LLMs). The product
328-536: A high degree of control over the company. In January 2013, Quora launched a blogging platform allowing users to post non-answer content. Quora launched a full-text search of questions and answers on its website in March 2013, and extended the feature to mobile devices in late May 2013. It also announced in May 2013 that usage metrics had tripled relative to the same time in the prior year. In November 2013, Quora introduced
369-401: A large number of registered users on the site did not use it regularly and many did not even know they had accounts since they had either created them unknowingly through other social media sites linked to Quora or created them years previously and forgotten about them. Quora uses popups and interstitials to force users to login or register before they can see more of the content, similar to
410-586: A limited rollout of advertising on the site. The first ad placement that the company accepted was from Uber . Over the next few years the site began gradually to show more ads, which Vox described in 2019 as "...still relatively sparse." In October 2016, Quora launched a Spanish version of its website to the public; in early 2017, a beta version of Quora in French was announced. In May 2017, beta versions in German and Italian were introduced. In September 2017
451-581: A name and photo, and access to edit count and other site use statistics. In August 2012, blogger Ivan Kirigin pointed out that acquaintances and followers could see his activity, including which questions he had looked at. In response, Quora stopped showing question views in feeds later that month. By default, Quora exposes its users' profiles to search engines . Users can disable this feature. Quora has developed its own proprietary algorithm to rank answers, which works similarly to Google 's PageRank . Quora uses Amazon Elastic Compute Cloud technology to host
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#1732787401301492-781: A reported $ 900 million valuation. Quora was one of the Summer 2014 Y Combinator companies, although it was described as "the oldest Y-Combinator ever". In March 2016, Quora acquired the online community website Parlio. Users were able to add descriptions to questions. In early December 2015, these were limited to 800 characters, and questions themselves to 150, not affecting existing questions. In August 2017, question details were discontinued entirely and replaced with an optional source URL input field to provide context, reportedly to encourage users to phrase questions more descriptively. Existing question details were stored in comments under respective questions. In April 2016, Quora began
533-580: A subscription which allows users unlimited use of lightweight chatbot applications such as GPT-3.5 and provides access, with certain limitations, to more advanced artificial intelligence models such as GPT-4, Gemini 1.5 and Claude 3. It also allows users to create and use custom chatbots. Quora was reviewed extensively by the media in 2010. Quora was hacked in 2018, leading to loss of information of users to hackers. According to Robert Scoble , Quora succeeded in combining attributes of Twitter and Facebook . Later, in 2011, Scoble criticized Quora for being
574-483: A user is typing an answer. Prior to April 19, 2021, Quora required users to register with the complete form of their real names rather than a pseudonym or other screen name; although verification of names was not required, false names could be reported by the community. This was done with the ostensible intent of adding credibility to answers. Users have the option to write their answers anonymously. Visitors unwilling to log in or use cookies used workarounds to access
615-444: A web address in order to cite a source) while appearing to ignore answers, posts, and comments that users have reported as false, highly inflammatory, or harassing. Moderation decisions can be appealed by users, but Quora's handling of appeals is criticized as automated and impersonal, leaving many to wonder how little of the website's moderation is performed by human staff. The inconsistency of Quora moderation has been blamed for
656-603: A work management platform co-founded by Facebook co-founder, Dustin Moskovitz , and Lunchclub , a networking platform using artificial intelligence . D'Angelo is also the founder of an AI startup, Poe. D'Angelo was an advisor to and investor in Instagram before its acquisition by Facebook in 2012. In 2018, he joined the board of directors of OpenAI . In 2023, D'Angelo voted to remove Sam Altman from his role as CEO of OpenAI. When Sam Altman returned to OpenAI,
697-476: A year earlier. That same month, Quora was reported to have received Series D funding with a valuation of $ 1.8 billion. In September 2018, Quora reported that it was receiving 300 million unique visitors every month. Despite its large number of registered users, Quora did not possess the same level of mainstream cultural dominance as sites like Twitter , which, at the time, had roughly 326 million registered users. This may have been because
738-571: Is different from Wikidata All set index articles Adam D%27Angelo Adam D'Angelo (born August 14, 1984) is an American internet entrepreneur. He is best known for his role as the co-founder and CEO of Quora , based in Mountain View, California . Adam D'Angelo is of Jewish ancestory was born on August 14, 1984 in Redding, Connecticut , United States. He attended Phillips Exeter Academy for high school. There, he developed
779-470: Is generated, which is then the only channel to edit the question or answer. Since then, commenting anonymously and toggling one's answer between anonymous and public is no longer possible. These changes went into effect on 20 March 2017. Users were able to request a list of anonymous edit links to their existing anonymous questions and answers until then. In April 2017, Quora claimed to have 190 million monthly unique visitors, up from 100 million
820-473: The COVID-19 pandemic , D'Angelo announced that Quora would permanently allow remote working . On 19 April, Quora eliminated the requirement that users use their real names and allowed users to use pseudonyms. On 5 August, Quora began allowing contributors to monetize their content. In addition, the platform launched a subscription service called Quora+ which requires subscribers to pay a $ 5 monthly fee or
861-458: The surname D'Angelo . If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name (s) to the link. Retrieved from " https://en.wikipedia.org/w/index.php?title=D%27Angelo_(surname)&oldid=1192283526 " Categories : Surnames Italian-language surnames Hidden categories: Articles with short description Short description
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#1732787401301902-612: The Chinese Communist Party (CCP), reported on the potential for Chinese citizens to use the platform to promote the image of China abroad. In 2020, Ben Nimmo, a founder of the Atlantic Council 's Digital Forensic Research Lab, noted Quora's popularity as a place to create fake accounts and plant disinformation . In 2023, Meta Platforms stated that China's Ministry of Public Security 's Spamouflage influence operation had targeted Quora. The same year,
943-582: The Synapse Media Player (a music suggestion software) along with Mark Zuckerberg and others. From 2002 to 2006, he attended California Institute of Technology , where he graduated with a B.S. in Computer Science . In 2004, while attending college, D'Angelo also created the website BuddyZoo, which allowed users to upload their AIM buddy list and compare them with those of other users. The service also generated graphs based on
984-493: The buddy lists. D'Angelo joined Facebook shortly after its launch in 2004, and served as its chief technology officer (CTO) from 2006 to 2008, and also served as its vice president of engineering, until 2008. In June 2009, he started Quora . In May 2012, he invested $ 20 million of his own money into Quora as part of their Series B round of financing. Apart from Quora, his notable investments include Instagram before its acquisition by Facebook for $ 1 billion, Asana ,
1025-465: The change was to reduce the amount of policy-violating anonymous answers. URLs of questions contain only the question title without a numeric identifier as used on Stack Exchange sites (in addition to a URL slug ), and /unanswered/ before the title, if the question is unanswered. With the help of asynchronous JavaScript and XML , some site functionality resembles instant messaging , such as updating follow counts and an indicator showing that
1066-565: The content accessed was already public on Quora, but the compromise of account and other private information is serious. Compromised information could also allow hackers to log into a Quora user's connected social media accounts, via access tokens. A class action lawsuit, case number 5:18-cv-07597-BLF, was filed in the Northern District of California, on behalf of named plaintiffs in New Jersey and Colorado. By May 2019, Quora
1107-499: The incident was publicized online. There has also been an increase of anti-Semitism on the website, as exemplified by a community for Holocaust denial , and the presence of countless troll questions containing the numbers 14 and 88 in various contexts, which are almost never removed by the ineffective moderators. Reviewing the website in 2024, Jacob Stern, writing in The Atlantic , was negative, stating that "A large number of
1148-411: The length limit for a URL. According to an official product update announcement, the removal of question details was made to emphasize "canonical" questions. The moderation system of Quora, which relies largely on automation, has been frequently criticized as ineffective, inconsistent, and opaque from the perspective of users. The website automatically flags seemingly innocuous actions (such as pasting
1189-423: The name Quora?" Cheever wrote: We spent a few hours brainstorming and writing down all the ideas that we could think of. After consulting with friends and eliminating ones we didn't love, we narrowed it down to 5 or 6 finalists, and eventually settled on Quora. The closest competition that [the name] Quora had was Quiver. In March 2010, Quora, Inc. was valued at $ 86 million. Quora first became available to
1230-432: The navigation and usability of its website. Co-founder Adam D'Angelo compared the redesigned Quora to Misplaced Pages , and stated that the changes to the website were made on the basis of what had worked and what had not when the website had experienced unprecedented growth six months earlier. In September 2012, co-founder Charlie Cheever stepped down as co-operator of the company, taking an advisory role. D'Angelo then retained
1271-878: The opportunity to invest in Quora, citing the company's "poor track record of actually making money." Schleifer characterized the disparity between Quora's valuation as a company and its actual profits as a result of "the high valuation for virtually everything these days in the tech sector." In December 2019, Quora announced that it would open its first international engineering office in Vancouver , which would deal with machine learning and other engineering functions. That same month, Quora launched its Arabic , Gujarati , Hebrew , Kannada , Malayalam , and Telugu versions. In January 2020, Quora laid off an undisclosed number of employees at its San Francisco Bay Area and New York offices for financial reasons. In June 2020, during
D'Angelo (surname) - Misplaced Pages Continue
1312-797: The other three board members involved in Altman's ouster resigned. D'Angelo retained his position making him the only one of the six board members on the eve of the ouster still in office. In 2001, he was placed eighth at the USA Computing Olympiad as a high school student and he won a silver medal at the 2002 International Olympiad in Informatics . ACM International Collegiate Programming Contest (ICPC) : California Institute of Technology Beavers (team of 3), World Finalists 2003, 2004; North American Champions 2003; World Finals Silver Medals 2004; World Finals co-coach 2005. In 2005, he
1353-427: The proliferation of harmful prejudices on the website. In 2014, in addition to being privately harassed, female users noted a ubiquity of pointed, sexist questions about women with more clearly sexist question details whereas the same kinds of questions rephrased to be about men were quickly taken down. One user was subject of a sexually defamatory post containing a photo of her that was taken down by moderation only after
1394-624: The public on August 11 2009, and was praised for its interface and for the quality of the answers written by its users, many of whom were recognized as experts in their fields. Quora's user base increased quickly, and by late December 2010, the site was seeing spikes of visitors five to ten times its usual load—so much that the website initially had difficulties handling the increased traffic. Until 2016, Quora did not show ads because "...ads can often be negative for user experience. Nobody likes banner ads , ads from shady companies, or ads that are irrelevant to their needs." In June 2011, Quora redesigned
1435-448: The questions are junk. Many are not really questions at all; they’re provocations. On those occasions when users do seem to be in search of useful answers, the ones they receive are, to put it mildly, uneven. Whatever scant kernels of quality exist on the site are tough to sift from the mountains of inanity—at least in part because Quora tends to place the inane front and center". Stern said that in order to become profitable Quora had bloated
1476-572: The servers that run its website. Currently, Quora has various ways of recommending questions to users: In November 2012, Quora introduced the Top Writers Program as a way to recognize individuals who had made especially valuable content contributions to the site and encourage them to continue. About 150 writers were chosen each year. Top writers were invited to occasional exclusive events and received gifts such as branded clothing items and books. The company believed that by cultivating
1517-590: The site with advertising and had encouraged the posting of provocative and clickbait questions, which while likely boosting engagement, drove away the participation of high-quality contributors, leaving the website in what Stern called a "state of thriving failure". These criticisms were echoed by Nitish Pahwa writing in Slate. In 2018, the People's Daily , the official newspaper of the Central Committee of
1558-583: The site. Users may also log in with their Google or Facebook accounts by using the OpenID protocol. The Real Name Policy was rescinded on April 19, 2021. As of 2011, the Quora community included answers by some well-known people such as Jimmy Wales , Richard A. Muller , Clayton C. Anderson , Barack Obama , Hillary Clinton , and Adrián Lamo , as well as some current and former professional athletic personalities, scientists, and other experts in their fields. Quora allows users to create user profiles with
1599-644: Was announced in December 2022 and launched to the public on February 3, 2023. Poe was made available to desktop browsers on March 4, 2023. Poe allows users to ask questions and obtain answers from a range of AI chatbots built on top of large language models, including those from ChatGPT developer OpenAI , including GPT-4 , ChatGPT-4o , and other companies like Anthropic's Claude series, Google's Gemini , Meta's Llama and CodeLlama series and other models like Stable diffusion , Playground, Gemma , Mistral , Mixtral, Qwen and many more . It also offers
1640-637: Was one of the top 24 finalists in the Algorithm Coding Competition of the Topcoder Collegiate Challenge . Fortune magazine included D'Angelo as runner-up in its "Smartest people in tech" article in 2010. Quora Quora was co-founded by former Facebook employees Adam D'Angelo and Charlie Cheever in June 2009. In an answer to the question, "How did Adam D'Angelo and Charlie Cheever come up with
1681-438: Was valued at $ 2 billion as a company and it was finalizing a $ 60 million investment round, which was led by Valor Equity Partners, a private equity firm with ties to Tesla, Inc. and SpaceX . In spite of this, the site still showed very few ads compared to other sites of its kind and the company was still struggling to turn a profit, having made only $ 20 million in revenue in 2018. Several investors passed on