Spam
Commercial spam is a comment that has commercial content irrelevant to the discussion at hand. Many of the old email spam content resurfaced on social networks, from Viagra ads, to work-from-home scams, to counterfeit merchandise. Recent analysis showed social spammers content preferences changing slightly, with apparel and sports accounting for 36% of all posts. Others included: porn and pills (16%), SEO/web development (23%), and mortgage loans (12%).
Read more about this topic: Social Networking Spam