. >> once classes wind down, on dean's zune, powers up. >> using my text to answer calls and answeringave a choice, would you pick up a book or an ereader? >> pick up a book. the feeling of paper when you're reading it and being able to actually like underline and like oh, i'm like this, i don't like this. you can't do that with your kindle thing. >> reporter: so perhaps the classroom of the future may just be the classroom of the past. pryia david-clemens, cbs news, mountain view, california. >> laptops and tablets and other high tech tablets are still on millions of christmas lists and we heard about that incident on black friday where a woman pepper sprayed other shoppers on her way to grab an x-box. brings up the question why are consumers so obsessed with buying stuff? >> the average american has $10,000 in credit card debt and 70% of us live paycheck to paycheck. joining us is james roberts, a marketing professor at baylor university and the author of "shiny objects why we spend money we don't have in search of happiness we can't buy. >> >> they are telling us we could purchase h