There are three components as described in the Google blog here
1 Google Places
2. The places you like
3.The places your friends like
According to Google combining these three ingredients makes the hard task of choosing where to go easy; all you need is to rate places and add your friends.
It leaves you pretty dizzy at the potential of it all, but maybe that is just me. Will you use it? Continue on with Yelp or use all this and more? Any idea what my answer is??
Just when I thought I would never sleep again, this confirms it!