So, you’re cruising the Sprawl with your cyberdeck, looking for a node through which to jack into the Net. Only Bill Gibson’s neural interfaces aren’t quite street level technology yet, worse luck. So the only sensible answer for any self-respecting hip-hacker type is to build a device that allows you to sense wi-fi networks by touch – because dropping into every coffee shop you pass and just asking would be way too 20th Century. [BoingBoing]