> blocking/jamming the specific wireless traffic would be pretty interesting, if possible.
And probably highly illegal.
At the end of the day, legality is what society settles as an acceptable way of running itself when all the stakeholders reluctantly agree or at least don't protest too much. Right now the 'costs' are sufficiently low that no one cares. As with most things, I suspect that there is a threshold ( though likely much higher than I have previously anticipated ) at which normal person would be unwilling to go as if anything changed.
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Deauth attacks weer common in the Google Glasses days. Nobody got arrested as far as I can remember.