This strip first appeared in issue #223 of Linux (Pro) Magazine.

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↓ Transcript
[Panel 1: Elvie is sitting with a colleague. Both are using their laptops.]
Colleague: My new laptop's got a fingerprint reader built in, for security.

Elvie: I do the same trick, but with a cheap barcode scanner I picked up online.
[Elvie is holding the barcode scanner in her hand]

[Panel 2]
Colleague: And that's good enough to read your fingerprints?

Elvie: No -- but I've had a barcode tattooed onto my forearm instead.
Plus it's perfect for "dystopian future" cosplay…