Tech journalist Peter Griffin looks at the decision by Meta to release Llama 2 - a direct rival to ChatGPT - and make it open source for research and commercial use.
What's in it for Meta? Meanwhile Microsoft has released the pricing for its AI-powered features it's bringing to its suite of products like Word, Excel and Powerpoint - and it'll cost you.
And why are so many Silicon Valley leaders excited about anti-vaxxer Robert Kennedy Jr running for president?