Google has introduced plus one button for all website publishers and also this button will appear in Google search along with search result, this is same as “Like button”, “I like this page” or “I like this” as we have seen in Facebook, The big difference seems here is that button will also appear in Google search which will make more impact on any website and Google page ranking.
One more thing when people will click on PlusOne button then Google will create their Google profile and PlusOne Tab will add in Google Profile.The Tab will show list of all recommended websites by user.This is little bit similar to Google Bookmarking, Google user can view his favorites recommendations and visit all plus 1’s websites.
Most awaited Google plus one button code has been launched today, you can copy the script code and paste in the your website. Before copying, have a look on Google specific policy on PlusOne button.
You can get Google PlusOne Button code on below URL