Always wondered who those people actually are that make the count go up on the Tweet button? With WhoTweetedMe you have a powerful to answer exactly this question. You can drop in any URL and the app will display who Tweeted it, at what times and with what reach. It is a very powerful measure to understand the impact a Tweet can have across the Twitter universe.
Pro Tip: WhoTweetedMe also gives you a list of the top influencers that have retweeted that article. Via the “thank you” button you can thank them right from inside the app.