Timothy Jordan , The Developer Advocate for the Google+ project announced today that Google launched the official Google plus One button extension for Chrome browser.The official Google +1 Button extension for Google Chrome works much better than the unofficial ones. More over it is fast, accurate, and shows the +1 count for a certain webpage.
The new Google plus one button extension for chrome browser will be helpful if you wish to +1 a web page but the site hasn’t installed the +1 button yet. The Google plus one button extension will be installed on the right side of your Google chrome browser and you can +1 a page and Undo +1 using its button in Chrome bar.
Presently Google plus one button extension for chrome browser not got any ability to share the webpage on your Google+ profile but they will automatically update it over time. You can download Google plus one button extension for Google chrome browser from below link.
Download Google Plus one button extension for Google chrome from here.