Social Media Explained

TWITTER:  I'm eating a donut.

FACEBOOK:  I like donuts.

FOURSQUARE:  This is where I eat donuts.

INSTAGRAM:  Here's a vintage photo of my donut.

YOUTUBE:  Here I am eating a donut.

LINKED IN:  My skills  include donut eating.

PINTEREST:  Here's a donut recipe.

LAST FM:  Now listening to "donuts".

G+:  I'm a Google employee who eats donuts.