It’s Urchin, purchased, rebranded, and integrated with AdWords. Also: it costs nothing but your Google cookie (w/ a 5MB pageview cap for non-AdWords subscribers).

“The future of entertainment is in the millions of niche markets at the shallow end of the bitstream”

all the usual disclaimers apply

“We hope that someday this institution will eclipse Google itself in overall world impact by ambitiously applying innovation and significant resources to the largest of the world’s problems.”