Baidu, Inc. is a prominent Chinese technology company specializing in internet-related services. Headquartered in Beijing, it holds a commanding position in China's search engine market. Beyond search, Baidu offers a diverse range of services, including the online encyclopedia Baidu Baike, the video platform iQIYI, and the social forum Baidu Tieba.
Robin Li joined IDD Information Services, a division of Dow Jones and Company, in May 1994. He worked on developing software for the online edition of The Wall Street Journal and search engine algorithms.
Li developed and launched RankDex in 1996, and received a US patent for the site-scoring algorithm. RankDex was the first search engine to use hyperlinks to assess website quality.
Robin Li developed RankDex, a search engine that used hyperlinks to measure website quality, in 1996. This technology later became foundational to Baidu's search engine.
Robin Li left IDD Information Services in June 1997.
Google's PageRank, a similar algorithm to RankDex, was released in 1998. Google founder Larry Page cited Li's work in some of his patents for PageRank.
Baidu was founded in January 2000 by Robin Li and Eric Xu.
Robin Li and Eric Xu incorporated Baidu on January 18, 2000.
Baidu introduced a paid search advertising model in 2001, allowing advertisers to bid for ad space and pay per click. This predated Google's similar approach.
Baidu launched its news and picture search engines in 2003, incorporating technology for article identification and grouping.
Baidu went public on Wall Street on August 5, 2005, through a variable interest entity (VIE) based in the Cayman Islands.
Baidu became the first Chinese company included in the NASDAQ-100 index in December 2007.
In June 2008, Baidu introduced My Marketing Center, a platform offering industry insights, market trends, business news, and reports to support its advertising customers.
In April 2009, leaked documents shed light on Baidu's stringent censorship practices, revealing a vast list of blocked websites and censored search terms, raising concerns about online freedom of information.
In January 2010, Baidu.com's DNS records were altered, redirecting users to a page claiming an attack by the Iranian Cyber Army. The attack, attributed to a security breach at Register.com, disrupted Baidu's services for hours.
In May 2011, activists filed a lawsuit against Baidu in the United States, alleging violations of the U.S. Constitution due to its censorship practices. However, a U.S. judge ruled in favor of Baidu, upholding the company's right to block content under freedom of speech principles.
By May 2011, Baidu Union expanded to include 230,000 partner websites displaying its ads.
In February 2012, Hudong filed a complaint with the State Administration for Industry and Commerce, accusing Baidu of engaging in monopolistic practices.
In April 2012, Baidu secured a patent for its "DNA copyright recognition" technology, enabling automatic detection and filtering of copyright-infringing content uploaded by users, reinforcing its commitment to providing an infringement-free online environment.
Baidu announced a partnership with Sina on July 31, 2012, to provide mobile search results.
In August 2012, three Baidu employees were arrested for allegedly accepting bribes to delete forum posts, leading to their arrests and the firing of four individuals.
Baidu announced a partnership with Qualcomm on November 18, 2012, to offer free cloud storage to Android users with Snapdragon processors.
In July 2013, Baidu declared its plan to acquire 91 Wireless from NetDragon.
Baidu launched its Personal Assistant app on August 2, 2013, designed for business professionals to manage their relationships.
In August 2013, Baidu finalized the acquisition of 91 Wireless for $1.85 billion, marking a significant deal in China's IT sector.
Baidu appointed Dr. Andrew Ng as chief scientist in May 2014 to lead Baidu Research in Silicon Valley and Beijing.
On July 18, 2014, Baidu launched a Brazilian version of its search engine, Baidu Busca.
By August 2014, Baidu's search market share in China decreased to 56.3%, while its competitor, Qihoo 360 (so.com), increased its share to 29.0%.
Baidu announced the acquisition of Brazilian e-commerce site Peixe Urbano on October 9, 2014.
In February 2015, Baidu faced allegations of employing anticompetitive tactics in Brazil against Brazilian online security company PSafe and its investor, Qihoo 360.
By 2015, Baidu became the leading search engine in China, commanding a significant market share of 76.05% with 705 million internet users in the country.
In January 2016, Baidu announced it would stop commercial cooperation for all its illness-related Tieba and open them only to authoritative public welfare organizations.
In April 2016, Wei Zexi, a 21-year-old college student diagnosed with synovial sarcoma, died after undergoing an unsuccessful experimental cancer therapy he found through Baidu's search engine.
On 2 May 2016, following the death of Wei Zexi, Chinese regulators investigated Baidu, leading to restrictions on its medical advertising practices and a shift in its search function.
Since at least 2016, DO Global, a Baidu subsidiary, had apps surreptitiously clicking on internet ads in the background to increase revenue, unbeknownst to users.
Baidu announced its Apollo project, a self-driving vehicle platform, in April 2017, aiming to advance autonomous car development.
Baidu partnered with automotive suppliers Continental and Bosch in June 2017 to collaborate on automated driving and connected cars.
Baidu planned to launch its Apollo project in July 2017.
Baidu launched a $1.5 billion autonomous driving fund and released Apollo open-source software version 1.5 in September 2017.
According to The Wall Street Journal, Baidu planned to launch self-driving buses in China in 2018.
Baidu's first annual Baidu World technology conference was held on November 16, 2017, focusing on the company's AI advancements and ecosystem.
In 2017, Baidu began working with the Chinese Ministry of Public Security and 372 Internet police departments to detect and counteract 'anti-government rumors' by using natural language processing, big data, and artificial intelligence.
In 2017, Baidu's Global Business Unit partnered with Snap Inc. to become the official ad reseller for Snapchat in several Asian markets.
Baidu's market cap reached US$99 billion in May 2018.
Baidu became the first Chinese firm to join the Partnership on AI, a US-based computer ethics consortium, in October 2018.
In 2018, Baidu divested its Global DU business, which developed various utility apps. The business now operates independently as DO Global.
In 2018, Baidu faced criticism and skepticism from Chinese users and media outlets like People's Daily regarding the reliability of its search results due to the prominence of paid advertisers.
The Chinese government named Baidu one of its "AI champions" in 2018.
Baidu planned to launch self-driving buses in China in 2018.
On 20 April 2019, it was reported that several Android apps developed by DO Global, a Baidu subsidiary, were running revenue-enhancing background programs that clicked on internet ads without user knowledge.
On 26 April 2019, Google banned DO Global and more than 100 of its apps from the Google Play Store and AdMob Network due to click fraud activities.
Baidu extended its partnership with Snap Inc. in 2019.
Baidu aimed to introduce fully autonomous driving capabilities on highways and open city roads by 2020.
Baidu unveiled a new Robocar concept in August 2021, claiming Level 5 autonomous driving capability and featuring a second-generation AI chip for analyzing surroundings and predicting passenger needs.
In April 2022, Baidu obtained permits to operate the first fully driverless taxi services in China, with plans to launch 10 autonomous vehicles in a designated area starting on April 28, 2022.
In June 2022, Jidu Auto, supported by Baidu and Geely, unveiled its first concept vehicle, the ROBO-01, built on Geely's SEA platform.
In July 2022, Baidu unveiled its latest driverless vehicle, the Apollo RT6, slated to join its autonomous fleet in 2023.
In November 2022, Sustainalytics downgraded Baidu to 'non-compliant' with United Nations Global Compact principles due to its involvement in censorship.
Baidu publicly unveiled its ChatGPT-equivalent language model, Ernie Bot, in August 2023.
Baidu released a newer version of its chatbot, Ernie 4.0, in October 2023.
Baidu plans to integrate the Apollo RT6 into its driverless fleet in 2023, expanding its presence in the autonomous vehicle market.
In May 2024, Baidu's former VP Qu Jing faced backlash for endorsing toxic workplace culture by asking a coworker to go on a 50-day business trip during the COVID-19 pandemic, leading to her resignation and a drop in Baidu's stock price.