Woobox's hashtag entry for Facebook allows you to accept photo contest submissions posted directly to your timeline! Simply supply your fans with a hashtag that is specific to your brand and promotion, and then ask them to post a photo on your Facebook page's timeline with the hashtag in the message. The entry will be tracked and added to the contest automatically!
Auto dealers made the concept popular in the real world, and now Woobox has brought the endurance contest to the virtual world with Touchscreen Endurance Challenges!
Inspired by the popular real-world contest that requires participants to maintain continual contact with a product (usually a car) for a chance to win, this last-man-standing contest pits participants against one another to see who can outlast the competition.