Microsoft exits non-voting board observer seat at OpenAI amid antitrust scrutiny.

Microsoft has abandoned its board observer seat at OpenAI, citing improved governance at the AI start-up and the decision comes as antitrust regulators scrutinize Microsoft's partnership with OpenAI. The software giant had taken a non-voting, observer position on OpenAI's board in November last year after a tumultuous period in the company. The unexpected exit comes as antitrust regulators scrutinize Microsoft's partnertship with OpenAI, under which the software giant invested billions in OpenAI.