"To opt out, change the SSID (name) of your Wi-Fi access point (your wireless network name) so that it ends with "_nomap."" Wow, that's absurd. It would have b

"To opt out, change the SSID (name) of your Wi-Fi access point (your wireless network name) so that it ends with "_nomap."" Wow, that's absurd. It would have been better not to have any mechanism at all.