The big news from yesterday was from Facebook who built a bookmarklet tool that aims at changing how Google shows Google+ results in the new Google Plus Your World launch.
It is fairly simple, you install the bookmarklet, click it when on the Google results, and the Google+ results will change to either Twitter, Facebook or another social network.
The campaign is named Focus on the User and they write:
Here is what it does:
Pretty clear? It does more but those are to examples, many more examples over here.
Danny Sullivan has a great write up over here and here is a video demo:
Forum discussion at WebmasterWorld.