BJ Fogg has one of the more interesting jobs on the planet. The " <http://captology.stanford.edu/> captology" program he runs at Stanford University studies <http://www.amazon.com/exec/obidos/ASIN/1558606432/jerrymichalskisr> persuasive technologies: things that make us change our behaviors, such as a TV that runs only when you ride the exercycle attached to it. A few moons ago, we sat over dinner while he described a startup he was launching. I liked the idea lots, but was curious why he wanted to be so secretive about it. Today, BJ <http://bjfogg.typepad.com/bj_foggs_weblog/2005/10/stealth_mode_is.html> blogged a very nice answer. <http://yackpack.com/> Here's what he was creating. posted by Jerry at <http://www.sociate.com/blog/archives/2005_10_01_archive.html#11304826549371 2213> 10:20 PM