Google co-founder Sergey Brin GOOGLE-GLASS/ REUTERS/Stephen Lam

A lot of people want to work at Google. Brilliant people, amazing perks, and the chance to impact tens of millions of people are among the draws.

There's even a movie about what it's like to intern there.

But working at Google isn't all free food and bike rides around campus.

We checked out a Quora thread where people claiming to be current and former employees dish on the down sides of working there. Take them with a grain of salt, but we've heard many of these same things from our own sources.