Cheap GPS

^(alt-text)

In lieu of mapping software, I once wrote a Perl program which, given a USB GPS receiver and a destination, printed 'LEFT' 'RIGHT' OR 'STRAIGHT' based on my heading.

We're pleased to announce a major update to xkcd, with new reading modes to enhance user experience. Select a mode via the menu below the comic.

Brought to you by our excellent design team: Amber, Benjamin Staffin, and Kevin.

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