Google Places for iPhone Hotpot Ratings vs. Yelp?

For all its success and world domination, Google has not had much luck with its social networking products: Buzz and Wave come to mind as recent examples. Google’s current social networking target appears to be Yelp.

Now available: Google Places with Hotpot for iPhone

Google Places for the iPhone added the ability to let its users rate places with its “Rate Now” 5-star system that ties in to Google Hotpot. As you rate more places, Google fine tunes its advertisement, ahem, recommendations system to your tastes.

Google Places for the iPhone is a free app.

Google Places 1.0.1 (iTunes App Store)