Last week’s reveal of the list of VH1′s 100 Greatest Artists of All Time (to be counted down on air starting Monday, September 6 at 10/9c) caused plenty of chatter and dissent regarding rankings and omission. Hit back with your own opinion via our 100 Greatest Artists Rally Machine, which allows you to vote for and rank not just your favorite artists of all-time, but your favorites of hard rock, hip-hop, the ’80s, the ’90s and today. Hit the site, sign in with your Twitter or Facebook account and start projecting your digital voice today. Additionally, you can submit a unique message in their Tweet or Facebook post ? we?ll be watching and we may retweet and the best messages may end up on the VH1 homepage.