We normally think of our phones as operating solely in a digital environment. If you want your phone to actually manipulate the physical world, the thinking goes, you need to link it to a machine with moving parts, say, a Lego Mindstorms kit or a remote control flying helicopter.
But then, every once in awhile, an app will come along that pierces the veil separating cyberspace from the rest of the world, leaving you slackjawed in ontological bewilderment. Blower, which turns your phones speaker into the world's worst personal fan, is just one of those apps. Just watch:
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