Nielsen Research recently released their Three Screen (TV, PC, Mobile) Media Research Report for 1Q2010.

Some surprises and some yawners.

"In the past year, Americans have significantly increased the amount of timeshifted TV they watch and decreased their PC-based internet usage, according to Nielsen’s Q1 2010 Three Screens Report."

You can read a summary and download the full report here.  Some additional highlights -

  —292 million people in the US own at least one TV.
  —More than half of US TV households now have HDTV, up 189% from Q1 2008.
  —High-speed broadband internet access is in 63.5% of homes.
  —Nearly 25% of homes have smartphones.
  —Fifty-five percent of mobile video viewers are adults 25-49.
  —The average monthly time spent simultaneously watching TV and using the internet increased 9.8% year-over-year in Q1 2010 to three hours and 41 minutes.

In related research, the Pew Research Center reports that in the past year 52% of U.S. adults, and 69% of U.S. adult internet users, have used the Internet to watch or download video.  More on that research here.