Beer drone? Festival goers may see booze fall from the sky

I am uncertain if this is a brilliant use of technology, or a waste of decent brainpower.  Most likely the later.  How does a drone check your ID?

Beer drone? Festival goers may see booze fall from the sky
http://www.cnet.com/8301-17938_105-57583599-1/beer-drone-festival-goers-may-see-booze-fall-from-the-sky/
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