YouTube has shrugged off competition with increasing ease over its 10 year history to become totally dominant in distribution of user generated, niche and emerging content, but at the same time the growing revenue opportunities keep attracting new competitors. This year is bringing a new wave including at least one with serious backing and a coherent business plan, which may at least dent YouTube’s armor. This comes at a time when the online video space as a whole has broadened into four distinct sectors. One we might define as TV Everywhere from established pay TV operators including linear programming, secondly online VoD dominated by Netflix in the US particularly, and thirdly pure play OTT TV services embracing both on demand…