Tron Legacy Viral: Arcade Postcards Being Mailed Out Dan Koelsch, July 1, 2010July 1, 2010 Comic-Con is just a few weeks away, so it shouldn’t be a surprise that the Tron Legacy viral campaign has started up again. This week, postcards for various Encom International classic arcade games were sent out to various people, and it looks like they have a code on them. Get…