Once you have an established account with Facebook, Twitter, or a blog site set up you can begin to run creative contests in order raise the level of interest, loyalty, and awareness among your fans and readers.
For example, I frequently hold contests on my blog where I encourage readers to leave comments and feedback about a blog article that I've recently written and then I randomly pick a winner or several winners for a prize. On occasion I've also invited my readers to vote and choose their favorite or most useful comment left on a blog post. I then award a prize for the winning comment.
On several occasions I've had 200 or more comments left on a blog post as a result of running such contests.
The same type of creative contests can be done on Facebook. I've seen some creative branded T-shirt contests where a significant prize is awarded to the Facebook fan that posts the most unusual picture of themselves on Facebook while using the T-shirt in a creative way.
On Twitter you can hold promotions where you reward followers that reply to your contests or challenges. Since it's possible to have Twitter posts sent to a cell phone via text, your followers don't even have to be online to have a good shot at winning a first-reply-wins type of contest. Alternately, you could have your followers post a promotional phrase to their account during a predetermined time frame and then randomly choose one or more winners from the participants. ...