To compete with Facebook and Twitter, Google launched Buzz, a social networking site integrated with the company's Gmail. It was reported that in the first week, millions of Gmail users created 9 million posts.
Apple released the iPad tablet computer with advanced multimedia and Internet capabilities.
AOL sold the relatively-unsuccessful Bebo social media site to Criterion Capital Partners.
The Democratic National Committee advertised for a social networks manager to oversee President Barack Obama's accounts on Facebook, Twitter and MySpace.
It was estimated the population of Internet users was 1.97 billion. That was almost 30 percent of the global population.
The Internet had surpassed newspapers as a primary way for Americans to get news, according to the Pew Internet and American Life Project. The Internet was the third most popular news platform, with many users looking to social media and personalized feeds for news. National and local TV stations were strong, but the Internet was ahead of national and local newspapers.