So earlier this week while in SF, I was trying to get some work done on my way from the city to Sand Hill road. As per usual I turned on tethering on my Android phone and started up my laptop. Within seconds my wifi had connected to the hotspot, I fired up a browser and …. nothing. No connection. Open up terminal, ping google.com and times out. Huh? Turn off the phone, wifi, etc and restart just to clear out any wonkiness. Still nothing. Then I remembered that between my last tether and now I...