Siri v Cortana v Google: Who's best?
Cortana's learning the neighbourhood. Google's digital assistant can't tell a joke. And Siri apparently has a thing for the metric system. Those are just a few of the things learned after a face-off for the three leading digital assistants. Apple's Siri and "OK Google" - they're not big on personification at Google - are now standard on smartphones; Microsoft recently added its Cortana service to Windows 10, so it works on PCs, too. Now that just about anyone can talk to their phone or computer, we wanted to see what happens when you try. Unsurprisingly, none of the assistants is perfect. Surprisingly, they do have distinct personalities, even if they're just deliberate artifacts of their creators. I asked the same 10 questions of each service, using an iPhone with Siri, a Nexus phone with Android's "OK Google" and a Microsoft Surface Pro tablet with Cortana. INFORMATION PLEASE First up: Some basic factual questions. All thre