YouTube, Hulu and Vimeo are among the online video sites that have enjoyed a significant amount of success. But for every Netflix there are at least as many online video sites that have struggled--or closed outright. Redbox Instant, Justin.tv and others are examples of flameouts in the online video space But why, in an increasingly all-digital world, did these OTT video providers fail? FierceOnlineVideo takes a look at the "boneyard," the online video vendors that have either closed up shop or are on the ropes. See this special report here.