The vulnerability of my community to power failure and lack of communications was highlighted yet again this weekend. As the first bushfire of the season in the Blue Mountains at Faulconbridge was whipped up by strong winds with temperatures in the high 30s and low 40s, power went down, and that means, for anyone on NBN, the phones died. For many of us, that means no mobiles either, because we don't have mobile coverage and rely on our modems to link us to the network with wi-fi. Once power was restored, Facebook told the story o