The emergence of Twitter on the Internet has become to information real time in one of the most relevant content to users. Major search engines, such as Google and Bing, have closed agreements with the microblogging network to display these results in your searches, in order to provide better functionality. But beyond its indexing, Internet users have multiple tools to see for themselves, graphical mode that more like it, Twitter messages. The information generated on Twitter grows exponentially. For this reason, in order to facilitate the task of handling and understanding more immediately graphics, images and texts published in 140 characters available on this network, various services performed by external developers allow to display part of the content of Twitter more graphically. At first, these services were only a visual sample of the information, but currently there are various solutions designed to facilitate the task of follow trends, or hot, topics more easily than from the official website. Some of the most interesting forms of visualization are proposals which geoposicionan on a map or representation of the globe-generated messages on Twitter, although often only by its gimmicky character rather than for helping to understand the information generated.

One of the first services that mixed Twitter with a map was Twittervision. This page has a random sample of the latest published tweets automatically on Google map. Users can see how the map moves from an area to another planet to display a message from the place where the user is. Something more effects is Twitterearth. This web page is a 3D visualization of the planet Earth, showing randomly latest updates on Twitter from his place of origin. The globe is refreshed constantly to show differences in day and night on the planet. It is also possible to download a version that It works as a screen saver. Trendsmap trends is designed as a service to visualize trends using the searches of keywords or geographic locations in Google Maps.

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