Background (1998–2009)
MSN Search
Microsoft launched MSN Search in the third quarter of 1998, using search results from See more

Toolbars
The Bing Bar, a browser extension toolbar that replaced the MSN Toolbar, provides users with links to Bing and MSN content from within their web browser without needing to navigate away from a web page they are … See more

Bing censors results for "adult" search terms for some regions, including India, People's Republic of China, Germany and Arab countries where required by local laws. However, Bing … See more

Microsoft Copilot
Microsoft Copilot, formerly known as Bing Chat, is an chatbot developed by Microsoft and released in 2023. Copilot utilizes the Microsoft Prometheus model, built upon OpenAI's GPT-4 foundational large language model See more

Bing is available in many languages and has been localized for many countries. Even if the language of the search and of the results are the same, Bing delivers substantially different … See more

Debut
Bing's debut featured an $80 to $100 million online, TV, print, and radio advertising campaign … See more

Censorship in China
Microsoft has been criticized for censoring Bing search results to queries made in simplified Chinese … See more