Twitonomy is a simple and compact app. It allows you to synthetise a lot of information about your twitter handle followers in a few clicks and it can output the analytics data in variety of formats. It has been used to carry out a study of how world leaders connect on Twitter and it has been employed by Orange to monitor the performance of their Orange Blogger Bus Tour. However the payments plan options are restrictive and the full functionality of the app can only be accessed on a paid plan.
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