Around 500 employees of OpenAI have signed a letter saying they may quit and join Sam Altman at Microsoft, unless he is reappointed and the board resignsFull story: Microsoft hires former OpenAI CEO Sam AltmanAnalysis: Sam Altman’s OpenAI exit leads to rollercoaster for sectorFull story: Sunak says he will cut taxes ‘over time’ as he reveals new economic prioritiesSpotify CEO Daniel Ek has reached for a popular meme to sum up the AI turmoil:Microsoft’s shares are up over 2% in premarket trading, after announcing the hiring of Sam Altman and Greg Brockman to lead a new AI research team. Continue reading...