Interesting read from The New Yorker
HTML:
http://www.newyorker.com/reporting/2009/05/11/090511fa_fact_gopnik
http://www.newyorker.com/reporting/2009/05/11/090511fa_fact_gopnik
and[...] Devils Theory of Innovation
When the writers teen-age son recently wanted to start shaving, the writer bought him a bag of disposable Bics.