It's the 20th anniversary of DJ Mags Top 100 DJ's list. Voting is now open and runs until September 16th. How do you vote? Simply go to DJ Mag and you are able to give your top 5 favorite DJ's. Armin Van Buuren was crowned the #1 DJ of 2012 with Tiesto and Avicii filling out the top 3 respectively. Is there a DJ you think deserves to be in the Top 100? Go vote and let your voice be heard. The results will be out at the end of October.