Juan David Escobar [1] [es] writes about his experience [2] [es] with TEDx Medellín [3], which he could not enter because, according to what he narrates, he was not part of any of the companies sponsoring the event –but he did have a ticket. He links to an article in GeekPlanet [4] [es] which criticizes the lack of promotion for the event and the way the tickets were distributed.