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Not to be outdone by rival RockYou's March Madness promo, Slide is launching a sweepstakes today. The "Slide March Madness Sweepstakes" lets users create a slideshow, SkinFlix, Guestbook or ThemePic representing their favorite team - these can then be posted to Facebook, Bebo et al.
For every widget users create, they get an entry into the sweepstakes - at the end of each round, a winner is picked at random. The prize, just like on RockYou, is a Wii. The contest ends at midnight on April 2nd.
As thousands of startups crowd the market and bolster for attention, promos are becoming one of the main ways to keep users - and the press - interested in what you're doing. Increasingly, though, there are just too many promotions to keep up with - YouTube announces at least one a week, while MySpace remains a hub for online contests.