Some Of The Best Quora Threads In 2012

At Guest Post Labs, we're self-professed Quora addicts. Heck, we're bigger Quora trolls that we'll ever be of Facebook, Farmville or any other shiny social networking concept. Over the course of our one many hours refreshing our Quora feed, we've come up with what we think are the list of the 30 best Quora threads of 2012.

What is the most useful, shortest, and most generally applicable piece of wisdom?