American online video viewing time rose 45% per viewer Y-o-Y in January 2011

"According to a recent release by Nielsen, online video usage in the U.S. is up considerably from the same time last year, as time spent viewing video on PC/Mac/laptops from home and work locations increased by 45%. Although the number of unique online video viewers only increased by 3.1% from last January, level of activity was up as viewers streamed 28% more video and spent 45% more time watching. Total video streams also saw significant year-over-year growth, up 31.5% to 14.5 billion streams."

Source:  Data from Nielsen, reported by MediaPost, 17th March 2011