For anyone that uses Facebook or Twitter, you know what Instagram is. In case you don't, it's that stupid-ass photo app that all the hipsters and cool kids use so their pictures have a vintage look.
As far as I'm concerned, this is one of the most useless and pointless of all internet apps. Seriously, I spent $300 on an iPhone so we can have a quality product, why in the hell would I want to take a top notch 8MP camera and make the pictures I take look like it came off of a cheesy 70s Polaroid? It's stupid.