> Sci-fi authors could have imagined much more. They did - Hitchhiker's Guide to the Galaxy is basically Wikipedia on a tablet. Well, except that the authors a

> Sci-fi authors could have imagined much more. They did - Hitchhiker's Guide to the Galaxy is basically Wikipedia on a tablet. Well, except that the authors are volunteers, the device can do a lot more, and it doesn't have the calming words on its cover.