As you have seen yesterdays post regarding Facebook introducing new feature so how can Google stay behind Google Introduced Google +1 button this buttons are great importance to SEO (Search Engine Optimization) because according to the Google FAQ for the +1 button it's mentioned that "+1 buttons let people who love your content recommend it on Google search"
So it is of great importance for SEO point of view, the button is quit similar to Google Buzz and also looks cool. Here's a video regarding Google +1 Button which will help you to understand more better about +1 Button.
As you can see above how +1 works , whenever you or your friends click on the +1 button your friends can see it on Google Search while Searching something relevant to it and thus you get more amounts of the visitors to your blog. Google hoping that +1 integration in search results will make it an attractive option to publishers, which stand to gain more traffic when their visitors starts +1 content.
Installing Google +1 button :
the above code is perfect for all blogs but if you need to tweak it you can get it done at webmasters and you can also get more Information about the Google +1 button their hope you liked it and do not forget to leave feedback.