On Feb 27, 2017, at 4:52 PM, John Denker <jsd at av8n.com> wrote: > On 02/27/2017 02:14 PM, Henry Baker wrote: >> jamming devices will become *essential*. > > Just in case it wasn't obvious, jammers are illegal in the US. Wrapping your gadgets in aluminum foil should be pretty effective at (ahem) foiling their attempts to contact a wifi hub. rg