During December 2011, there were 164.3 million unique U.S. video viewers who streamed over 22 billion videos and spent more than 5 hours on average watching online video.

Over the last three years, time spent watching video from home and work computers in the U.S. has more than doubled while the number of unique viewers increased 26 percent over the same three-year period.

During September 2011, there were 164.4 million unique U.S. video viewers who streamed nearly 18 billion videos and spent almost 5 hours on average watching.

When it comes to mobile video apps like YouTube, Hulu or Netflix, consumers say the best things in life are free. According to a new study released by the Cable & Telecommunications Association for Marketing (CTAM) and Nielsen, 63 percent of survey respondents said that “free or low subscription rates” is the most important attribute for a video app.

Streaming video online is on the rise in the U.S., and how consumers tune in differs greatly across services. According to a recent Nielsen survey, the majority of Netflix users report watching on a TV screen. In fact, half of all Netflix users connect via a game console (Wii, PS3 or Xbox Live).

Typical for the summertime when school is out, the TV season has ended and people are vacationing, the number of online video viewers in the U.S. was down slightly in June to 142.6 million unique video viewers.

Online video usage in the U.S. is up during March, rebounding from the declines typical of the shorter month of February.

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%.

More than 10 billion videos were streamed in the U.S. in June 2010, a 1.3% increase over the number of streams last year and nearly a 4% jump over last month’s figures.

While many consumers cut back their spending on entertaining outside of the home in 2009, that didn’t necessarily translate to increases inside the home.