In June of this year, Google added a Scorecard to the Google AdSense home page portal. The scorecard is designed to give publishers a quick snapshot of how well your ad settings, webpages and content are performing relative to other AdSense publishers.
When it launched, it had three main sections, one of those three sections were removed quietly. The section that was removed was the Google+ section.
Here is a picture of what the score card looks like now:
Here is a picture of what it looked like with Google+ data:
I wonder why they removed it, since Google+ is such a big deal for Google?
Forum discussion at WebmasterWorld.