We're not there yet (in Canada, with such poor mobile services, we might never get there). But it's close, at least in some parts of the world. John Fontaine writes, "4G networks are now available in many areas and are expanding rapidly.... This has enabled the cellular providers to provide a new gadget for your backpack: the mobile hotspot, or MiFi. These devices provide your growing array of WiFi enabled gadgets with a single broadband gateway and a local wireless network." I can just see it now, a teacher doing backpack checks to see who's running the illicit classroom area wifi network. Heh.
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