Google+ Introduced

In a day chock full of google updates, the "big" one seems to be Google+, a new social networking play for Google. The main blog has a introduction or you can hit plus.google.com for more info and a signup form (invite only right now.

High points are:

• +Circles: share what matters, with the people who matter most
  
• +Sparks: strike up a conversation, about pretty much anything
  
• +Hangouts: stop by and say hello, face-to-face-to-face
  
• +Mobile: share what's around, right now, without any hassle