• In this Saturday, Nov. 21, 2015 photo, Cuban migrants line up for breakfast given to them by an evangelical church, outside of the border control building in Penas Blancas, Costa Rica, on the border with Nicaragua. Thousands of Cuban migrants have been able to make the trip to the U.S. thanks to a constant flow of information between migrants starting the journey and those who have just completed it. (AP Photo/Esteban Felix)

    Social media helps drive historic Cuban exodus to US

    PENAS BLANCAS, Costa Rica (AP) — As summer began to bake the central Cuban city of Sancti Spiritus, Elio Alvarez and Lideisy Hernandez sold their tiny apartment and everything in it for $5,000 and joined the largest migration from their homeland in decades.