Google announced a new feature yesterday for Webmaster Tools. The new feature is named "author stats" and can be found under the "labs" section of Google Webmaster Tools.
It basically provides click and impression for content authors have written and shows up in the Google search results page.
Here is a picture of the chart, which I do not yet see in my Google Webmaster Tools account:
John Mueller at Google posted this on his Google+ profile. He said, "Hey Google+'ers! Have you ever wanted to know how frequently your Google+ posts get found and clicked on in web-search ?"
Forum discussion at Google+.