MVP for "like" instead of "up/down vote", with recent likes people faces

I did a quick aggregate of voting data in production
79 of them are "up votes", only 2 are "down votes", so I'm really doubting the value of having a "down vote" button.

![quoty](https://f.cloud.github.com/assets/184520/857136/415c430e-f54b-11e2-9260-8b604110544c.jpg)