And with this you can actually check multiple sites in one call: https://www.googleapis.com/buzz/v1/activities/count?alt=json&url=http://news.ycombinator.com&u

And with this you can actually check multiple sites in one call: https://www.googleapis.com/buzz/v1/activities/count?alt=json&url=http://news.ycombinator.com&url=http://www.techcrunch.com&url=http://www.cnn.com https://www.googleapis.com/buzz/v1/activities/count?alt=json...