Quora is Arguably the Best Question/Answer Site
Name: Quora (Visit Quora)
Type: Q/A Forum
Best Website For: Questions and Answers
Reason it's on The Best Sites:
Quora is well-known for their high quality answers. The site boasts a large user base and is frequented by influential people.
Quora's traffic is ranked 102 globally
|Type of business||Private|
Type of site
|Question and answer|
|Founded||June 2009 (2009-06)|
|Headquarters||Mountain View, California, U.S.|
Adam D'Angelo (CEO)
Kelly Battles (CFO)
|Alexa rank||134 (Global) (January 2018)|
|Registration||Optional/required, can write and ask anonymously|
|Launched||June 21, 2010 (2010-06-21)|
|Written in||Python, C++|
Quora is a question-and-answer site where questions are asked, answered, edited, and organized by its community of users. Its publisher, Quora Inc., is based in Mountain View, California. The company was founded in June 2009, and the website was made available to the public on June 21, 2010. Users can collaborate by editing questions and suggesting edits to answers that have been submitted by other users.
Quora was co-founded by former Facebook employees Adam D'Angelo and Charlie Cheever in June 2009. When asked why they choose the name, Cheever stated, "I associate it with 'quorum' or public congregation. We spent a few hours brainstorming and writing down all the ideas that we could think of. The closest competition that Quora had was 'Quiver' but we eventually settled on Quora". 
In September 2012 co-founder Charlie Cheever stepped down as co-operator of the company, taking an advisory role.
In January 2013 Quora launched a blogging platform allowing users to post non-answer content on their profiles.
Quora launched a full-text search of questions and answers on its website on March 20, 2013 and extended the feature to mobile devices in late May 2013. It also announced in May 2013 that all its usage metrics had tripled relative to the same time in the prior year. In November 2013 Quora introduced a feature called Stats to allow all Quora users to see summary and detailed statistics regarding 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.
In October 2016 Quora launched a Spanish version of its website to the public. Following this announcement, 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 a beta version in Japanese was launched. In April 2018, Beta versions in Hindi, Portuguese, and Indonesian were launched. 
In April 2017 Quora was reported to have received Series D funding with a valuation of $1.8 billion.
Real name policy
Quora allows users to create user profiles with visible real names, photos, site use statistics, etc., which users can set to private. 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, including their real names, to search engines. Users can disable this feature.
Quora has developed its own proprietary algorithm to rank answers, which works similarly to Google PageRank. Quora uses Amazon Elastic Compute Cloud technology to host the servers that run its website.
Currently, Quora has different ways to recommend questions to users:
- Home feed questions recommendations: In this method, each user will have a timeline that is personalized to their preferences. Quora also provides "interesting" questions that are relevant to the user's preferences. This will lead to the user either answering that question or refers another user to better answer it.
- Daily Digest: In this method, Quora sends a daily email containing a set of questions with one answer that is deemed the best answer given certain ranking requirements.
- Related Questions: In this method, whether the user is logged in or not, a set of questions that relates to the current questions will be recommended and displayed on the side. This will help the user navigate through the questions and find what is more relevant to their preference.
- Ask to Answer: This feature enables the user to request another user's answer to a question that they feel is fit or better suited to answer that question.
Quora supports various features to moderate content posted by users. The majority of content moderation is done by the users, though staff can also intervene.
- Upvote/Downvote – Users can rank answers based on how relevant or helpful they found the answers to be. This feature helps maintain the quality of content posted online. The more upvotes an answer receives, the higher it is ranked, and it shows up on top of the searches related to the question. If an answer is ranked poorly, it is “collapsed” and will not show up in people’s feeds.
- Report Answer – Users can report plagiarism, harassment, spam, factually incorrect articles, etc. This keeps sub-standard content under check.
- Suggest Edits – Users make suggestions to improve an article by proposing changes to it. The proposed changes are also made visible to the original author of the question or answer and can be either approved and published or rejected.
Top Writers Program
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. This has inspired both young and experienced writers. Top writers are invited to occasional events and receive gifts such as branded clothing items and books. The company believes that by cultivating a group of core users who are particularly invested in the site, the program creates a feedback loop of user engagement.
Quora was reviewed extensively by the media in 2010. According to Robert Scoble, Quora succeeded in combining attributes of Twitter and Facebook. Later, in 2011, Scoble criticized Quora for being a "horrid service for blogging" and, although a decent question and answer website, not substantially better than competitors.
In 2014 Quora attracted controversy for using robots.txt to ask crawlers such as the Internet Archive's Wayback Machine to not index or archive the site. Their stated reason is that the Wayback APIs as of 2016 does not give users a way to censor answers that they may regret previously posting. Critics have raised concerns about the fate of Quora's data if the site ever goes offline and recommended Stack Overflow as an easily archived alternative.
|000000002009-06-01-0000June 2009||Product||Quora founded|
|000000002010-03-01-0000March 2010||Funding||Quora raises $11 million in a series A, with Benchmark Capital as an investor|
|000000002010-06-01-0000June 2010||Product||Quora announces that it will open up to the public|
|000000002011-01-01-0000January 2011||Team||Marc Bodnick leaves Elevation Partners to join Quora|
|000000002011-02-01-0000February 2011||Technology||Quora chooses C++ over C for its high-performance services|
|000000002011-07-01-0000July 2011||Product||Quora introduces video to its Q&A pages|
|000000002011-07-01-0000July 2011||Product||Quora introduces Credits for asking-to-answer questions|
|000000002011-09-01-0000September 2011||Product||Quora introduces threaded comments and comment voting|
|000000002012-05-01-0000May 2012||Funding||Quora raises $50 million in a series B, with Peter Thiel and Adam D'Angelo as investors|
|000000002012-09-01-0000September 2012||Team||Co-founder Charlie Cheever leaves|
|000000002012-11-01-0000November 2012||Product||Quora introduces Top Writers program|
|000000002013-01-01-0000January 2013||Product||Quora introduces blogs|
|000000002013-03-01-0000March 2013||Product||Quora introduces a policy eliminating image-only answers.|
|000000002014-04-01-0000April 2014||Funding||Quora raises $80 million in a series C at a $900 million valuation, with Tiger Global Management and Y Combinator as investors|
|000000002016-01-01-0000January 2016||Product||Quora announces bounty system, offering financial bounties for the best answer (selected by the question asker) on select questions.|
|000000002016-03-01-0000March 2016||Product||Quora acquires Parlio, an online Q&A site started by Wael Ghonim.|
|000000002016-04-01-0000April 2016||Product||Quora announces that it will start out testing advertisements, on a small number of question pages.|
|000000002016-05-01-0000May 2016||Team||Marc Bodnick, Quora's public face and leader of its business and moderation team, announces that he is leaving the company.|
|000000002016-08-01-0000August 2016||Product||Quora announces support for the Spanish language.|
|000000002016-11-01-0000November 2016||Team||Kelly Battles announced as new chief financial officer (CFO).|
|000000002017-04-01-0000April 2017||Funding||Quora raises $85 million in a series D at $1.8 billion valuation, with Collaborative Fund and Y Combinator as investors|
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