What they SHOULD be doing!

This is a nicely written story.  It is readable by a non-tech person, and it also gives enough of the gist for a tech person to know what's behind it.  

https://medium.com/matter/heres-why-public-wifi-is-a-public-health-hazard-dd5b8dcb55e6

But this is what we should be doing anyway. All these laptops and tablets are full of useless files and info that they could be sharing. And machines could be routing traffic between WiFi 'cells' and cellular phone connections. All the accounting could be done using what Goethe (in Wilhelm Meister’s Apprenticeship) called "... one of the finest creations of the Human mind" which is double-entry book-keeping, of course.