Quora
| Company type | Private |
|---|---|
| Industry | Social networking service, Knowledge market |
| Founded | June 25, 2009 |
| Founder | Adam D'Angelo, Charlie Cheever |
| Headquarters | Mountain View, California , United States |
Area served | Worldwide |
Key people | Adam D'Angelo (CEO) |
| Products | Question-and-answer platform, Quora+ |
| Website | www |
Quora is a U.S.-based social platform focused on questions and answers and operates as an online knowledge exchange hub, with its headquarters located in Mountain View, California. Established on June 25, 2009, it officially opened to the public on June 21, 2010. The site enables users to submit questions, respond with answers, and engage through comments. By the year 2020, Quora had reached an audience of 300 million monthly visitors.
Origins and Naming
Former Facebook staff members Adam D'Angelo and Charlie Cheever co-founded Quora in June 2009. The name was chosen after a brainstorming process that narrowed down options; Quora was selected over alternatives such as Quiver.
2010–2013: Initial Expansion
By March 2010, the company behind Quora was valued at $86 million. The platform's public debut occurred on August 11, 2009, quickly earning acclaim for its intuitive interface and expert-driven answers. User numbers surged rapidly by late 2010, resulting in traffic volumes that initially tested the site’s infrastructure. To preserve user experience, Quora refrained from incorporating advertisements until 2016.
In June 2011, the platform underwent a redesign of its navigation system and usability features, drawing influence from Wikipedia to improve content relevance and manage increasing growth. In September 2012, Charlie Cheever transitioned from an operational role to an advisory position, consolidating leadership under Adam D'Angelo.
January 2013 marked the introduction of a blogging feature for content outside of Q&A formats. This was followed by the launch of comprehensive full-text search functionality for questions and answers in March, which was extended to mobile platforms by May. By mid-2013, user engagement metrics had tripled compared to the previous year. In November, Quora rolled out Stats, a dashboard offering users detailed insights into how their contributions were performing. Although the platform was not yet monetized at this stage, it signaled that search-based advertising could become a future revenue channel.
Organizational Development in 2014
Quora began to position itself as "a more structured Yahoo Answers, a refined Reddit, and a subjective Wikipedia," gaining traction within technology communities. In April 2014, it secured $80 million in funding from Tiger Global, valuing the company at approximately $900 million. Additionally, Quora took part in the Summer 2014 cohort of Y Combinator, noted as one of the oldest participants in the program.
Acquisition of Parlio
The acquisition of Parlio occurred in March 2016, broadening Quora’s community features and platform capabilities.
Modifications to Question Details
Initially, users could append descriptions to questions—restricted to 800 characters by December 2015—while question titles themselves were limited to 150 characters. However, in August 2017, this description field was removed and replaced with an optional URL source field aimed at promoting clearer question formulation. Previously added descriptions were preserved as comments beneath each question.
Introduction of Advertisements
Quora initiated a controlled rollout of advertising in April 2016, featuring its first ad from Uber. Over subsequent years, ad presence increased gradually but remained relatively limited as of 2019.
Expansion into multiple languages
Beginning in October 2016, Quora embarked on its international growth by debuting a Spanish-language platform. Early in 2017, a French beta was introduced, followed by German and Italian betas in May of the same year. The Japanese beta was rolled out in September 2017, and by April 2018, Quora launched beta versions for Hindi, Portuguese, and Indonesian. In September 2018, the company revealed intentions to add new language editions including Bengali, Marathi, Tamil, Telugu, Finnish, Norwegian, Swedish, and Dutch.
Anonymity feature updates in 2017
On February 9, 2017, Quora revamped its anonymity functionality by decoupling anonymous questions and edits from registered user profiles. Posts made anonymously received a distinct edit link that remained the exclusive method for making changes. Following this update, anonymous commenting and the ability to toggle answers between anonymous and public statuses were discontinued as of March 20, 2017. Until that cutoff date, users had the option to request their anonymous edit links.
Series D funding round in 2017
In April 2017, Quora announced it had reached 190 million unique monthly visitors, nearly doubling from 100 million the previous year. During that period, the company secured Series D funding at a valuation of $1.8 billion.
Growth and security incident during 2018–2019
By September 2018, Quora’s monthly unique visitors climbed to 300 million. Despite this growth, it had not achieved the widespread adoption of social platforms like Twitter, which then reported approximately 326 million users. A significant portion of Quora accounts remained inactive or were created inadvertently through linked social media platforms. To boost user interaction, Quora implemented popups and interstitial screens prompting login or sign-up before granting access to additional content.
In December 2018, Quora revealed a data breach impacting around 100 million users. The compromised information included names, email addresses, encrypted passwords, social media linkage data, as well as questions and answers posted on the platform. CEO Adam D'Angelo acknowledged that most accessed content was publicly available but emphasized the gravity of private information exposure. The breach also posed risks of unauthorized access to connected social media accounts via token theft. A class action lawsuit related to the incident was filed in California in 2021.
By May 2019, Quora’s valuation had increased to $2 billion following a $60 million funding round led by Valor Equity Partners, known for investments in Tesla and SpaceX. Nevertheless, revenue remained relatively low at $20 million for 2018 due to limited advertising efforts and ongoing challenges with profitability. Some investors opted out of participation citing concerns over Quora’s financial performance amid broader tech sector valuation dynamics.
In December 2019, Quora inaugurated its first overseas engineering hub in Vancouver with a focus on machine learning and engineering development. That same month saw the rollout of Arabic, Gujarati, Hebrew, Kannada, Malayalam, and Telugu language versions as part of its global expansion strategy.
Developments in 2020
In January 2020, Quora implemented undisclosed layoffs at its offices located in the San Francisco Bay Area and New York City due to budgetary pressures.
In June 2020, during the COVID-19 pandemic period, CEO Adam D'Angelo announced that Quora would permanently adopt remote work arrangements.
Updates in 2021
On April 19, Quora eliminated its real-name policy allowing users to participate using pseudonyms.
On August 5, monetization features were introduced for content creators alongside the launch of Quora+, a subscription service priced at $5 per month or $50 annually granting access to premium creator content behind paywalls.
On November 22, Quora discontinued anonymous answering to curb policy violations; users requiring privacy were encouraged to utilize pseudonymous accounts instead.
Website
- URL structure
Question URLs on the platform consist solely of the question title, omitting numeric identifiers typically found on Stack Exchange sites, combined with a URL slug. If a question remains unanswered, the URL includes /unanswered/ before the title.
Leveraging asynchronous JavaScript and XML, certain site functionalities emulate instant messaging features, such as real-time updates to follow counts and alerts when a user is composing an answer.
Real name policy
Prior to April 19, 2021, Quora mandated that users sign up using their complete real names instead of pseudonyms; although identity verification was optional, the community could flag false names. This policy aimed to enhance the trustworthiness of responses. Users had the option to post anonymously. Login methods included authentication through Google or Facebook accounts via OpenID. The Real Name Policy was discontinued on April 19, 2021.
By 2011, Quora's user base featured prominent figures such as Jimmy Wales, Richard A. Muller, Clayton C. Anderson, Barack Obama, Hillary Clinton, and Adrián Lamo, alongside specialists from diverse disciplines.
User profiles on Quora display names, profile pictures, and statistics related to site activity. In August 2012, concerns about the visibility of user engagement led Quora to remove question view counts from feeds. By default, profiles are indexed by search engines but users can opt out of this indexing.
Answer recommendations
Quora employs a proprietary ranking algorithm for answers, akin to Google's PageRank. Its servers are hosted on Amazon Elastic Compute Cloud infrastructure.
The platform suggests questions through multiple channels:
- Home feed question recommendations
- Users receive a customized feed presenting questions aligned with their interests, along with other "interesting" yet relevant queries.
- Daily digest
- Quora dispatches daily emails featuring curated questions paired with top-rated answers.
- Related questions
- A sidebar presents questions linked to the one currently viewed; this list is not personalized per individual user.
- Requested answers
- Users can specifically request that certain individuals answer particular questions when they are deemed more qualified.
Top Writers Program
Introduced in November 2012, the Top Writers Program honored contributors who consistently provided high-quality content, selecting approximately 150 participants each year. Those recognized gained invitations to exclusive events and received branded merchandise, cultivating a dedicated community that sustained user involvement.
After suspending English-language selections in 2019 and 2020, Quora discontinued this program for English users in April 2021 but continues it in other languages.
Poe
Poe is an AI chatbot feature developed by Quora serving as a web interface for various large language models (LLMs). Announced in December 2022 and publicly launched on February 3, 2023, Poe expanded availability to desktop browsers by March 4, 2023.
This service allows interaction with AI chatbots powered by LLMs from providers including OpenAI (featuring models like GPT-4 and ChatGPT-4o), Anthropic (Claude series), Google (Gemini), and Meta Platforms (Llama and CodeLlama series), as well as others such as Stable Diffusion, Playground, Gemma, Mistral, Mixtral, and Qwen. The platform offers subscription plans that provide unlimited access to lightweight chatbots like GPT-3.5, along with limited usage of advanced models including GPT-4, Gemini 1.5, and Claude 3. Additionally, it supports the creation and deployment of custom chatbots.
Reviews
Quora attracted significant media attention during 2010. Robert Scoble observed that Quora effectively merged elements from both Twitter and Facebook. Nevertheless, by 2011, Scoble expressed disappointment, describing the platform as a "terrible blogging tool," acknowledging it functioned reasonably well as a Q&A site but did not outperform its rivals substantially.
In a 2024 critique published in The Atlantic, Jacob Stern highlighted that numerous questions appeared to be provocative rather than sincere inquiries. He contended that Quora’s focus on monetization resulted in an overwhelming presence of advertisements and clickbait material, which alienated many top contributors and left the platform in what he called a "state of thriving failure." Comparable observations were made by Nitish Pahwa in Slate.
User complaints: Question details, moderation
In August 2017, Quora encountered backlash after removing the ability to add detailed context to questions, which users argued restricted submissions of complex or personal queries needing code snippets or multimedia beyond URL length constraints. The company explained this adjustment was intended to prioritize "canonical" questions.
Quora’s predominantly automated moderation approach has faced criticism for being ineffective, inconsistent, and lacking transparency. It frequently flags harmless actions such as source citations while failing to address reported falsehoods, inflammatory remarks, or harassment adequately. Though users may appeal moderation decisions, the process is perceived as mechanized and impersonal, raising doubts about the degree of human intervention involved.
This uneven enforcement has contributed to the spread of harmful content. In 2014, female users reported sexist questions remaining on the site while analogous questions about men were promptly removed. Cases of sexually defamatory content were only dealt with following public exposure. Moreover, antisemitic material—including Holocaust denial groups and coded hate symbols like "14" and "88"—continue largely unmoderated.
Use in influence operations
In 2018, People's Daily, the official publication of the Central Committee of the Chinese Communist Party (CCP), emphasized Quora’s potential for Chinese nationals to enhance China’s international image. By 2020, Ben Nimmo from the Atlantic Council’s Digital Forensic Research Lab identified Quora as a platform exploited for creating fake profiles and disseminating disinformation. In 2023, Meta Platforms disclosed that China’s Ministry of Public Security employed its Spamouflage campaign targeting Quora. That same year, a publication by the Publicity Department of the Chinese Communist Party encouraged increasing CCP engagement on Quora.
Timeline
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| February 2018 | Product | Debuts Links feature displaying external articles in user feeds; subsequently removes Links tab from topic pages |
| May 2018 | Product | Rolls out Sharing feature allowing content reblogging |
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| November 2018 | Product | Launches "Spaces," transforming blogs into community spaces |
| December 2018 | Security | Reports data breach impacting 100 million user records |
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| February 2023 | Product | Public launch of AI chatbot Poe |
| April 2024 | Product | Adds creator monetization via pay-per-message on Poe; enables multi-bot conversations on Poe |
| October 2024 | Product | Ends Space Subscriptions and Ads Revenue Sharing Programs |
See also
External links
- Articles with short description
- Redirects from moves
- Redirects from modifications
- Companies located in Mountain View, California
- Internet services launched in 2009
- Privately owned California companies
- Question-and-answer platforms
- Y Combinator startups
- Websites supporting multiple languages
- American online services
- 2009 California establishments
- Y Combinator companies