Google has started (currently still an experiment) to allow its search engine users to recommend sites they find through google by pressing the +1 button. I have just enabled google +1 button experiment in my google account.
The following video clip shows how does it work from the private end user perspective.
The following video clip shows how simple it is to add a +1 button to your web site.
Does anyone want to do ‘like’ in their facebook account for this feature? I guess it is just a matter of time till we see how big is the market share google succeeds to acquire through the +1 button.