Microsoft's artificial intelligence (AI) chief Mustafa Suleyman said the company is developing "ever present, persistent, [and] very capable" versions of its product Copilot, which is an AI personal assistant.

Microsoft confirmed in a letter on Tuesday its immediate resignation from the observer role on the board of OpenAI, arguing that its participation was no longer needed after the artificial intelligence company allegedly improved its governance.

Former US Treasury Secretary under former Pres. Trump Steven Mnuchin announced that he's building a team of investors to try and buy the Chinese-owned social media app TikTok, which is estimated to be worth upwards of $100B.