1. A social network made by Google impacts search. Google isn’t saying it like that, because they wouldn’t want to cause a panicking stampede, but think about this: Google has all the data from Google+. They can’t get any data from Facebook. Google controls search. Where would you cast your vote for search-improvement activities? 2. Google+ evolves from Gmail. No matter what the kiddies say, email is still the digital communications backbone of the modern world. SMS might feel like second place, but it’s a distant second. Google+ is very tied to Gmail, with hundreds of millions of users. It feels very natural as an extension in a way that Twitter and Facebook do not. 3. Business pages are coming. Early reports from users are, “It won’t matter. There’s no support for business pages.” That’s not true. Business pages are being developed now. Imagine the power of Google Places, Google Local, and several other Google products that formerly seemed lame and disjoined now acting inside one unified communications environment. Yeah. Get the full story at Fortune