An Inside Look As C2E2 Prepares To Open Posted on February 28, 2020 by Chicago 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: C2E2, one of Chicago’s most popular annual conventions, was set to open Friday. 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: