The big blue globe has a way of jumping onto the bandwagon, especially when it's the last of the big 4 to do so. Shortly after the launch of Verizon's family unlimited messaging, the light bulb has turned on over AT&T's head. As of June 17 AT&T will offer unlimited messaging for family plans nationwide for $29.99/month. This is a much anticipated event, as many families are large texters and shelling out 19.99 per person. Get ready to save some cash!