Google release it’s +1 sharing button on June 28th and the new service has people signing up at a rate not seen since Facebook’s rapid expansion at it’s peak in 2009.
How people use it and stay engaged with using the new tool remains to be seen.
Get the full story here:
http://www.pcworld.com/article/235468/20_million_google_users_may_exist_by_the_weekend.html
If this button really gets a hold within Googles algorithm this may be the easiest seo play to plunder in recent history!