Is +1 (pronounced “Plus One”) part of the new social network that Google’s long been rumored to be building? Or is +1 simply that “social layer” that Google has said would come and isn’t really meant as a rival to Facebook?


Come along - let’s see how it works now, where it might go, and we’ll get into the bigger picture stuff at the end.

Get the full story at Search Engine Land

Read also "Interview with Google: What +1 means for advertisers" at TheNextWeb, and "Google’s +1 A Potential Boon To Paid Search Marketers" at Search Engine Land