Nielsen Company today released the first comparable audience estimates across three "screens:" TV, the Internet and mobile devices, MediaPost reports—and the findings indicate that the new video platforms do not appear to be cutting into regular television viewing. Here are some stats, quoted from the report:

- The amount of "screen time" the average American devotes to television continues to increase, reaching 127 hours and 15 minutes per month, the highest level ever.

- The increase in time spent on television screens comes as people are devoting more time to other screens: 26 hours and 26 minutes per month on Internet connected screens (up 9% from last year); and three hours and 15 minutes per month watching video on cell phone screens.

- The time people spend accessing video programming on Internet connected screens now averages two hours and 19 minutes per month.

"Web video is changing the definition of the Internet for those under the age of 24," said John Burbank, chief marketing officer of Nielsen Company, in the report.