Microsoft's unusual $1 billion bet on OpenAI back in 2019 has turned into one of the smartest investments in the history of technology.

Microsoft and OpenAI announced a non-binding memorandum of understanding Thursday afternoon, signaling that they’ve agreed in principle on changing and continuing one of the defining partnerships of the AI era.

OpenAI announced Tuesday that it is working on age prediction technology and launching additional parental controls for ChatGPT amid growing concerns about the impact of artificial intelligence

It is the first study to use internal ChatGPT message data, which OpenAI said privacy-preserving techniques were used to protect user data. The researchers found that the majority of people use ChatGPT for tasks and queries that are unrelated to work, with only 30 per cent using it in a professional capacity.