Follow any Google+ account using RSS, Atom feed

While Google is yet to provide an official API for Google+, enterprising developers have taken matters into their own hands with everything from a statistics service to a media player plugin already available for the nascent social project. Now comes an unofficial solution for something a lot of users have been hoping would arrive – RSS feeds.

PlusFeed is a simple service that provides an RSS/Atom feed of any Google+ user’s public posts. Simply find the unique number at the end of their profile URL, and then add it to the PlusFeeds URL. So, for example, the URL of Google Plus Blog's Google+ RSS feed is:
http://plusfeed.appspot.com/106246056177889976095

All their public posts will be added to the feed. And the seem to be update quickly.if you’ve been desperate for Google+ RSS feeds – your wish is granted.