If you’ve been having issues with bandwidth thievesneighbords taking advantage of your open wireless access point, instead of just cutting them off, why not have a bit of fun at their expense instead? Say, for instance, redirecting all traffic to KittenWars.com or running a transparent proxy that turns all web images upside-down and backwards?
Now that’s a creative use of geekery. Heh.
Source: Ryan Duff