Along with yesterday's patch which reintroduced Ragnaros as a raid boss, Blizzard Entertainment has added a free-trial mode to World of Warcraft, letting players level characters up to level 20. Previously, free trials had an additional time limit of 10 or 14 days, but this removes that limit. Given the accelerated rate of leveling in World of Warcraft now, that level 20 cap can be reached in just a couple days, but it might let you stay in contact with higher-level friends...