dlvr.it is a web service which allows bloggers to feed their posts to Facebook , Twitter and other social networks. Highly user friendly environment makes it easy to manage content sources and updates.
After the Submission of Feed URL , users can choose Social networking accounts to which they willing to publish posts.
Furthermore dlvr.it provides real-time statistics on your friends , followers and retweets. number of clicks for a particular post.
And with Direct Post you can post to all the accounts you added at once.
Here is a delivered post by delivr,it on my Twitter account.