
A proof-of-concept application, FreeMarketplace, that allows any Windows Phone 7 application to be downloaded and installed free of charge has been developed . Though Marketplace applications are protected by DRM, FreeMarketplace removes the protection, enabling the applications to be used without charge. It was discovered shortly after the phone platform went on the market that the raw installation packages, “XAP” files, could be freely downloaded; the Zune client software downloads XML files with all the package locations to enable application browsing and installation, and both this XML and the XAPs are served without restriction.
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