Portal 2

I admit it, I did not play Portal yet! But nonetheless, I grasp the import of the following statement:

The Cake is a Lie, but Portal 2 is Not

Looks like this is a 2009 thing. A sequel has been official since like February, but I figured this recent update was a good opportunity to post A Day in the Life of a Turret (note, some profanity, but it's hysterical):