Last week, my next-door neighbor rang my bell and asked if he could use my Wi-Fi for the night. Sure! No problem! But he's still poking around on my network right now. Why are you still on my network, neighbor?
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Dear Neighbor, Why Are You Still Using My Wi-Fi? [Etiquette] (http://gizmodo.com/5713527/dear-neighbor-why-are-you-still-on-my-wi+fi)