Note: PlusFeed is not affiliated with Google or dlvr.it. Google does not officially support atom feeds of Google+ posts. Accordingly, the operation of PlusFeed Google+ feeds is subject to change without notice.
2. Automatically post your Google+ posts to Twitter using dlvr.it
a) Go to dlvr.it and create an account with your email + password.
b) Enter your Google+ feed URL from step 1 above
c) Click on the Twitter icon and authorize dlvr.it to post to your twitter account.
Click "Authorize App" in the Twitter Authorize an App page:
dlvr.it will now automatically post your new Google+ posts to your Twitter account. Posts will link back to your Google+ posts at plus.google.com.
Your finished route will look something like this: