Updates copy

I had a few ideas for the copy on the landing page. This is one of them. I'll list more in the comments.
![screen shot 2014-12-21 at 10 52 32 pm](https://cloud.githubusercontent.com/assets/2836167/5553018/a51b77bc-8bda-11e4-96c6-7721d5ca18ee.png)
Merry Christmas!