Yeah definitely frustrating. It's always seemed more talk than reality for years. Here is one photo I found of a claimed wifi spy: https://cdn0.tnwcdn.com/wp-c

Yeah definitely frustrating. It's always seemed more talk than reality for years. Here is one photo I found of a claimed wifi spy: https://cdn0.tnwcdn.com/wp-content/blogs.dir/1/files/2015/10/Screen-Shot-2015-10-29-at-14.17.05.jpg https://cdn0.tnwcdn.com/wp-content/blogs.dir/1/files/2015/10... In reality a thermal camera might give better results, maybe even from further away too.