Should you hire a celebrity tweeter?

Here's how two companies turned B-List star power into A-List promotions.

How to promote your company on Facebook

The social network is a perfect match for contests, sweepstakes, and giveaways. Here's how two companies turned their "Likes" into loot.

Is Foursquare really a great place to advertise?

Luke's Lobster used Foursquare Specials to help market its new store. Experts weigh in on what it could have done better.

Why it doesn't pay to buy yourself a Twitter following

If you're tempted to buy yourself a fast, random, social following, read this first.

Translating Viral YouTube Videos Into Sales

Want to go viral? Forget traditional PR in favor of a social media-savvy firm (or some creative college students) that can create an irreverent video hit that translates into sales.

Is rewarding customers for referrals worthwhile?

How Sweet Spot, a hair removal salon, used Blue Calypso's word of mouth solution to generate sales and repeat clients—something LivingSocial had failed to do.