Cantennas are quite simple from an engineering standpoint. It's a very simple directional waveguide antenna that results in high gain over a low arc.
Point it in the general direction of an unsecured access point and go.
If you prefer parabolic reflectors to waveguides, you can also build a wok fi.
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I wake up in the morning more tired than before I slept
I get through cryin' and I'm sadder than before I wept
I get through thinkin' now, and the thoughts have left my head
I get through speakin' and I can't remember, not a word that I said
- Ben Harper, Show Me A Little Shame
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