Since Facebook changes its terms of services with some frequency, it can be difficult to know what is and isn't legal when it comes to promotions (e.g, contests or sweepstakes.)
So how to know that your Facebook contests are legal?
The folks at ShortStack put together an infographic called "Are you breaking the Facebook law" that explains the right way to running a Facebook content.
Social Media Infographic: Is your Facebook contest legal? |