STOCKHOLM--(BUSINESS WIRE)--Millicom (STO:MIC) (NASDAQ:MICC), the international telecommunications and media company (Stockholmsbörsen: MIC), announced today a partnership between its Tigo operation in Colombia with Facebook’s Internet.org initiative. It follows the collaboration begun in Paraguay in December 2013 and Tanzania in April 2014. The exclusive partnership gives Tigo customers the opportunity to access a number of information, social media and government services without any data cha