Don't want to pay a fortune for mobile service, but can't stand the thought of being unable to message your friends? FreedomPop thinks it can help. The sometimes-free carrier has launched an offer that gives you free, unlimited WhatsApp messaging in over 30 countries, including the US. And yes, that includes when you travel -- it should be that much easier to let the folks back home know how you're doing. In a chat with VentureBeat, the company says that there's "really no reason" you need to pay for voice or text in the modern era. This is just taking a logical step, he argues albeit an odd one when WhatsApp isn't nearly as popular in the US as it is elsewhere.