Google already links to Zagat in their places reviews. This is Google buying a large and influential slice of pie to make it harder for others to compete.
>This is exactly what Google is about. //
I thought Google was about finding more people and opportunities to advertise to.
...which is exactly what they're doing, right? By having let's say a Yelp competitor, they have an entire market that can be described as "anyone who eats" out at their fingertips...