The New York Times recently wrote about variable price shopping: the idea that some grocery stores are starting to think about changing the price of items depending on your…

I love AdventFinancial. It isn’t just because their co-founder is a friend and one of the nicest guys I know, but they actually have a great business in a space that often doesn’t have much greatness: tax prep.

Chris Dixon recently wrote (in an incredibly brief post) that recommendation systems are features, not products, and pointed out that Hunch was only compelling after being bought by eBay, where it successfully powers both recommendations…