Online video news from across the Web:
> Online video ads face a chilling problem in that 54 percent are seen by no one, an RMG Networks study says. Article
> One thing about the Purple Wedding went well: Illegal downloads of Game of Thrones' second episode, season four, set a new record. Article
> Americans averaged nearly 18 hours watching online video in February. Article
> Facebook is splitting out Messenger from its primary mobile app, forcing users to download Messenger separately. The change will take place in European countries first over the next few weeks. Article
> Branded videos are climbing the online viewership charts, with Wren firmly at the top. Article
> UFC live-streamed the weigh-in for fighters in its "Nations" finale event in Quebec. Article
> Brightcove will power French newspaper Le Figaro's online video platform. Article
And finally… Google, Apple and Samsung are the most preferred providers of devices that stream online video, such as smartphones and tablets. Article