Last night, Google announced Google Hotpot. Google Hotpot is a local recommendations engine powered by you and your friends.
Here is a picture:
The concept is simple, you and your friends rate stuff and when you search for local items on Google Places (Hotspot) you will be recommended places based on you and your friends likes and dislikes.
Vanessa Fox has one of the best write ups on this at Search Engine Land. I’ll quote her conclusion:
Forum discussion at WebmasterWorld.