There's no denying that SMS alerts can be useful for some things, but it always seems a bit risky to use them for things that are truly urgent. That's because they're not all that reliable -- plenty of SMS messages tend to disappear into the ether, or sometimes it just takes a while for them to get through. So, it makes you wonder just how effective it will be for hotels in Japan to SMS or email guest's mobile phones if the building is on fire. They say they're looking to do this to help guests with hearing difficulties. It's a nice idea, in theory (and the software is being offered free by a Japanese government agency), but it seems like a solution such as adding flashing lights to the hotel's fire alarm system might be a bit more effective.
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