Shooting the breeze using Facebook's mobile messaging service is about to get a lot cheaper. The social network is teaming up with 18 carriers in 14 countries to provide free or heavily discounted data to its customers. That way, you'll be able to keep talking about who said what (and to whom!) without any resulting bill shock. Networks involved include TMN in Portugal, Three in Ireland, Airtel and Reliance in India. For the full list and a terse set of remarks from The Haus of Zuckerberg, peek past the break.Fil