Microsoft contractors listened-in on Xbox users - often picking up private conversations when users hadn't even 'hailed' the console
Facebook hired contractors to listen-in and transcribe Messenger voice chats to check its AI algorithms were accurately interpreting audio snippets
Used Skype's translation feature? Microsoft contractors may well have listened in on your call
Callers could hear, and in some cases see, recipients before they even answered
Company admits it has been capturing audio - but only if a particular box has been ticked...