W e’ve all been there: Someone calls your cell phone and wants to have a long heart-to-heart, so you tell them to call back on a landline to save voice minutes or to get a better signal ...

Skype is riding a VOIP wave it helped create with free computer-to-computer calls, but it's far from being alone in the fast-growing industry Skype users in the U.S. and Canada can call free to ...