Just because contests and sweepstakes are a transparent way of engaging an audience, that doesn’t mean it’s not effective. You’ll want to be sure to to pay attention to the rules and regulations on each platform surrounding how you can run sweepstakes or contests within the terms of service. Contest and sweepstakes are particularly more effective when you build an aspect of viral sharing. Whenever the sweepstakes or contest can amplified by way of people organically sharing it, you can be sure that that contest is going to be more successful than one that does not rely on that lever.