LONDON – As television maintains  a fairly consistent 44 percent of global ad spend, according the just-released report by GroupM, digital video consumption across screens in surging in many markets via mobile and desktop  with players including Google’s YouTube and Facebook, explains Simon Thomas,   Global Director – Audiences Research at GroupM / MEC Global.

This growth is happening despite considerable barriers to digital video including varying government regulations and the lack of consistent measurement and attribution.

We sat down with him in London last week during the Future of TV Advertising Forum, where he was a speaker.