You know how awesome I think smartphones are? No?, well, they are incredible pieces of technology and everyone should say that aloud to their family over dinner at least once a week - I try to. (I don't like incredible technology going unappreciated.)
On a "not quite as stunning as a mobile phone, but why don't more people think about this" note: why aren't people more amazed at how far the remote garage door opener on their keyring can send a signal to the opener? I mean, gosh, look at the tiny battery that's powering the thing, but when I'm walking the dog I am often approaching the house from the front from quite a distance (there's a park there), and it's very surprising how far the tiny, tiny energy of the radio "ping" can be picked up at the garage. I've just checked using Google Maps (right click where you want to measure from, and chose "measure distance"): 70 m!
And it does this heaps of times before the battery dies, and you pick up a new one that comes from China on Ebay for 9 bucks or something.
All amazing...
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