It's times like these that make me love the Internet and its people.
As of yesterday (March 1st), Valve gave Portal a minor and cryptic update: 'Changed radio transmission frequency to comply with federal and state spectrum management regulations' along with a new achievement, 'Transmission Received' who's description was merely '?'.
This was just the beginning of a sprawling, exceptionally complicated ARG (nicknamed the Dinosaur Mystery after the name of certain audio files) which the gaming community turned all its power towards solving, with astonishing and ingenious methods. Read below for the full story so far!