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.

Nielsen looks at the top online destinations and mobile platforms of 2011

To friend or to de-friend, that is the question. New research from NM Incite, a Nielsen McKinsey company, reveals that there are innumerable factors that help Facebook users decide to add a friend or cull someone from the fold, though knowing someone in real life is the top reason cited for friend-ing someone (82%) and offensive comments are the main reason someone gets the boot (55%).

Facebook and apps from Google like Gmail and the Android Market are the most popular smartphone apps among Android owners according to Nielsen’s latest research on smartphone usage.

Google was the most visited website during August 2011 with 176 million unique US visitors. The Top Sites among U.S. web users remained largely the same as the month before, with Amazon increasing its rank to become the 9th most visited site during August 2011.

New research by NM Incite, a Nielsen/McKinsey Company, explores the reasons U.S. social media users visit social networkings.

The court of (social media) public opinion has voted, and the Emmy winners are in. An analysis of online buzz reveals that of all the best actor/actress nominees, Michael C. Hall’s performance as Dexter generated the most buzz.

Nielsen’s new Social Media Report looks at trends and consumption patterns across social media platforms in the U.S. and other major markets, exploring the rising influence of social media on consumer behavior.

During May 2011 Google was the most visited website in the U.S. with 155 million unique visitors from home and work computers. The most visited sites among U.S. web users remained largely the same as the month before, while Apple switched positions with Wikipedia to become the 8th most visited site.
Overall web activity increased slightly in May, and among the Top 10 sites Apple witnessed the highest increase in monthly visitors, with more than 5.7 percent more uniques during May. Facebook also increased unique U.S. visitors by 4.7 percent compared …

Google was the most visited website in the U.S. during April 2011, with 150 million unique visitors from home and work computers. The most visited sites among U.S. web users remained the same as the month before, but Wikipedia leapfrogged Apple to become the 8th most visited site.