My first book was excerpted in the New York Times Magazine. My second received stellar reviews, and Michael Douglas optioned it for the movies. Each sold a few thousand copies, seemingly half to friends and family. For my third, Viral Loop: From Facebook to Twitter, How...

I call my five-year-old daughter "my entertainment on demand girl." When we put on a DVD she always wants to skip to her favorite scenes. If a commercial comes on TV, she begs me to fast-forward through it. Right after I shoot video she cries, "Let me see!" until I...