Bob Caswell, a product manager at Microsoft, asked an interesting question on his Google+ stream. He asked, "What if you had the idea of Google+ "Circles" three years ago but decided to pursue other interests?" Well, maybe I'd be writing this from the beach in Tahiti? Who knows. Come to find out, Caswell did have ...

Read More: Bob Caswell “What if You Had the Idea of Google+ Circles Three Years Ago?”