Twitter This is by far the best Twitter app I've come across. Obsessed.
Facebook I hate my Facebook addiction, but this app is used on the daily.
Tumblr I just started a Tumblr and I love this app so much! Clean and easy to use.
Words With Friends I can't lie: I'm pretty killer at this game. I usually have a ton of games going on and I love being able to play with friends and family.
Ego Okay, fine: I'm a narcissist. But I love knowing how many blog subscribers, blog hits and Twitter followers I have at any one time.