Facebook is partnering with 18 carriers around the world to offer free or discounted data for users of Facebook Messages, making it more competitive with mobile chat apps like WeChat, Line, KakaoTalk, Nimbuzz, Kik, and Whatsapp. The deal includes partnerships with operators in Portugal, Ireland, India, Bulgaria, Azerbaijan, Indonesia, the Philippines, Malaysia, Thailand, Bahrain, Saudi Arabia, Brazil, Egypt, and Italy. [Source: Facebook]