Andy Smith, EVP, General Manager, Director of Global Operations, Palio

Last year on Pixels & Pills, I wrote about the mainstreaming of social media, highlighting a report from Nielsen Co. that found Americans are devoting almost a quarter of their Internet time on social networking sites and blogs, a 43 percent increase compared to one year ago.

Now, a year later, social is still dominating, with the 2011 version of the Nielsen report finding: