BJ Fogg, author of "Tiny Habits: The Small Changes That Change Everything." (Robin Lubbock/WBUR) Taking on a new habit isn't easy, but habit formation expert BJ Fogg has some advice: start small. He ...

In his opening keynote this morning at the J. Boye 2009 conference, BJ Fogg presented his views on why Facebook and Twitter are the rock stars of social media, and how they got there. Weaving in ...