These days you can't use any social networking, email, or messenger service without running into spam. These greedy, heartless and yet seemingly stupid advertisers will pay large sums of money to make sure your inboxes, comments, walls, etc are filled with messages of large members, "friends" recommending awesome new products and cheap prescription drugs from canada.
Luckily there are a few easy ways to clear up your online space, and help put these killjoys in their place.