Steve Rubel published a great post about the under the cover refinements that Google is implementing. We should also not underestimate the curation potential of Google Plus. The semantic richness offered by the sharing process on Google Plus provides Google with an other powerful and intelligent source of semantic relevance that ultimately can enhance their search results.
I found myself connecting the dots with a great in depth post from Christine Connors about the semantic value of Google Plus:
Here is the Steve Ruble post:
¶ Three Key Things Google Is Doing While We Focus on Google+ The following is also my AdAge column… With all of the attention that’s being paid to Facebook and Twitter it’s easy to forget that no...
Both are a great read.