How do you do F2L?

The fasted way to do F2L is by using part of Fridrich's method. The best tutorial for this I know of is here: Badmephisto's Cubing Site: F2L

With the above method, instead of putting in the top corners then the edges, you're putting both in at once. Please note that this is a much more advanced way of doing it, if you're only a beginner with the 3x3x3 Rubik's Cube, check out the official Rubik's Cube website: Rubik's Official Website.

In case you didn't know, F2L stand for First 2 Layers.

~Clever Cuber