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Since first hearing about how Sun's Francois Orsini had used Apache Derby (a.k.a. JavaDB) to create a proof of concept that showed how a Web-based tax application could switch into an offline mode with little more than a browser and the Java Standard Edition plug-in, it became very clear to me that the so-called "offline problem" associated with Web apps wasn't really a problem. It was just a matter of time before Web app developers took the next logical step and married Derby to their real applications in a way that users would be able to use their Web apps with or without a connection to the Net. Not only that, when a connection was eventually restored, whatever work that someone did while offline would be synchronized with whatever data they were storing in the cloud.