Before Overwatch, there was Titan, an ambitious MMO that Blizzard hoped would recreate the substantial success of World of Warcraft, the MMO responsible for much of the company's growth at that point. Despite having such high hopes for the project, though, Blizzard allocated comparatively little to it, as WoW devoured most of the company's resources. And the Titan team was struggling. To mark the 10th anniversary of Overwatch, Polygon spoke to five members of the development team, many of whom have been working on the game since its earliest days, to reflect on its evolution