The mobile web is expected to reach nearly two billion users by 2015, outranking desktop usage. The channel is still relatively new and while you may not be looking to embrace mobile marketing in the near term, it’s something that you may want to begin thinking about sooner than later.

Social media marketing continued to make significant headway in 2011 and is expected to move full steam ahead in 2012. More specifically, what trends can we expect to see in the coming year? We checked in with five marketing pros who shared their insights with us. Joining us are Sergio Balegno, Shama Kabani, Cindy King, Joe Pulizzi, Mike Volpe and our very own Julie Diaz-Asper

The good news for businesses these days is that there are many exciting new ways to market your business. And, many of them cost significantly less than the traditional ways which had been our only options until not too long ago. The challenge of course is keeping up with all the new means at our disposal and assessing when it’s time to jump into the arena or not. While many businesses have already flocked to the likes of Twitter and Facebook, and using strategies such as contests and Facebook ads—location-based marketing which has been around now for a few years, has not yet hit its critical mass.