Some useful statistics related to social media and the Internet.

Facebook revenue for the first half of 2011: $1.6 billion (Mashable)

Facebook pageviews in June and July: more than 1 trillion (News Junky)

9 facts about the staggering size of Facebook (The Atlantic)

Study: everyone and their grandmother is on social media (Bizreport.com)

Graphic: the U.S. social media audience in 2011 (OhMyGov.com)

Graphic: how millennials use mobile (Mashable)

Study: how people use smartphones and tablets while watching TV (Mashable)

Study: Facebook has 57 million U.S. mobile users (scribbal) (Mashable)