The world record for the 3*3 rubik's cubes was recently beaten. Feliks Zemdegs previously had the record of 4.22 seconds, however Yushen Du achieved a 3.47 second solve. It may not seem like a large jump, but the world record shortening by almost a whole second is a big deal.
The fastest cubers generally use a method called CFOP which stands for:
Some of the best cubers are: