This article, and the term "think-to-buy" are just too cool not to repost. Scot, did you come up with think-to-buy?
 
Will Neuro Headsets Launch Think-To-Buy Ad Apps? -
Summary:
For only three hundred dollars later this year, Emotiv Systems will sell you a "neuro headset" that detects thoughts, expressions, and emotions, and uses these inputs for specially designed video games. Can we really control machines with our thoughts? If so, advertising technologists should race to their drawing boards. See the item, consider the item, buy the item -- just by thinking about your credit card. Sure it still sounds like science fiction--but fifteen years ago, so did Google.[Hawthorne Videoactive Report]