Report: Apple's been snapping up AI firms to improve Siri

Apple's been on a shopping spree in a bid to make Siri smarter, according to a new report by GlobalData. The market research firm says the tech giant bought more AI companies than anyone else between 2016 and 2020. The second biggest AI acquirer was Irish consultancy Accenture. But the rest of the top five were all based in the US. Google grabbed the third spot on the list, followed by Microsoft and Facebook.