Preferences for Pepsi and Spaghetti Sauce

By way of Sam Ruby’s Intertwingly blog through Joe Gregorio’s Bitworking, I ran across this talk given at TED2004 by Malcom Gladwell.
There is no perfect Pepsi, there are only perfect Pepsis.
The talk is an interesting historic look at preferences of populations and, perhaps more importantly, how the thinking about preferences has changed over time. The [...]