Good news for Social network lovers. You can enjoy Facebook, Twitter with in Google Plus itself. This facility is availble through the following Google Chrome extensions. That means you must have Google Chrome web browser for this.
Facebook for Google plus – a Google chrome extension
It allows the users to see the facebook steams inside Google plus. This extension has been approved by Facebook.
G+ Tweet for Google Plus – a Google Chrome extension
By this extension user can tweet a post directly from google plus. It also provides shortening through bit.ly, share photos through TwitPic, Share location, Watch timeline, metnions, retweets etc.