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When you kick out all the fake, annoying, and completely useless people who somehow became your Facebook friends. They didn't even know you. They just saw a weird picture and said yes.
I unfriended 47 people just for liking a cat video. Who needs that noise?
That guy who posted 'I'm hungry' 10 times a day? Gone. Forever.
My ex is still my friend. I haven't purged her yet. Not yet.