Current mobile browser capabilities make it possible to quickly develop advanced mobile location based services without having to write device specific software, or build custom hardware. We here describe three web applications exploring using location within mobile browsers (TagAlong, NearMe and LocalURL). These explorations show clear potential for using geolocation in the web browser in order to reach a larger user base, with a greater variety of devices, thus allowing for UbiComp researchers to explore the effects of specific services and applications on a larger scale. We discuss the services, as well as the potential and challenges with using the user's location directly in the browser.
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