Don't try this at home when the scammers call

One of my CompuServe colleagues just posted this as part of a reply to someone asking about a Microsoft call scam:

What happens if you play along with a Microsoft 'tech support' scam? 

A senior security researcher from Malwarebytes has played along with a Microsoft technical support scammer, documenting the whole episode in a video, to showcase the social engineering that takes place. [ .... ]

Complete with a video of the screen of the virtual computer he had running as the scam proceeded.