When Technology Helps You By Spying On You

That moment when you realize that Google has autopopulated your calendar for the week because it scanned your mail, read the subject and then understood what was in the PDF attachment.

Actually awesome and totally useful but still so darn creepy...
Google Auto Populating Your Calendar By Reading Your Mail

God help us if there ever comes a day when the motive moves from assisting us to completely messing and screwing with us.