This was information was just released pretty recently, And no this is not one of Google's infamous April Fools jokes, this is the real deal, check it out...
Google unveiled today it would be releasing a brand new "experiment" as most people are calling it. Basically in a nutshell, they are implementing a "ranking system" that allows users to "like" a particular page or sub-page (give it a thumb's up so to speak), sort of like your use to seeing with the current "Facebook plug-in" just about everywhere on the web. This new "experiment" is essentially becoming another attempt at perfecting there current "Authority and Confidence Ranking System" also known as there current "PR (page
rank) system".
Google unveiled today it would be releasing a brand new "experiment" as most people are calling it. Basically in a nutshell, they are implementing a "ranking system" that allows users to "like" a particular page or sub-page (give it a thumb's up so to speak), sort of like your use to seeing with the current "Facebook plug-in" just about everywhere on the web. This new "experiment" is essentially becoming another attempt at perfecting there current "Authority and Confidence Ranking System" also known as there current "PR (page
rank) system".