Of the 22 Million people who logged into Facebook in August, nearly 21 Million go on to check their profile or their friends. Beyond that, activities differ:
* 14 million people interacted with Facebook Applications in August.
* Applications are also highly engaging; capturing more time per session than any other activity on the site.
* Over 16 Million people browsed photos in August. On average, they viewed nearly 150 per month.
* Only 80,000 (or .3% of total active members) “poked” someone in August.
Check out the Compete page for a great graphic breaking down this and other popular forms of Facebook behavior.