The Geek Tingle

Possibly the most geeky thing about me, if I can pick just one thing, is that I get all tingly when I hear about new business models. For example, I got a tingly feeling the first time I heard about iTunes. I get the same feeling every time I buy a book in less than a minute from Amazon.

I'm also fascinated when an improved user interface causes an entirely new product to be created from something old. For example, auctions have been around forever, but eBay made it so easy that they create...