> If the ssid is visible and your network is available then everyone with a wifi card is doing what Google did every time they turn their laptop or smartphone o

> If the ssid is visible and your network is available then everyone with a wifi card is doing what Google did every time they turn their laptop or smartphone on anyway. That's not true. Unless the card is in promiscuous mode, packets intended for other machines will be discarded. Even if other cards were in promiscuous mode, they'd still have to intentionally save the packets to approach what Google did.