I'm with DB on this one. The past informs the future. In the immortal words of George Santayana: "Those who cannot remember the past are condemned to repeat it."

The corollary of course, being that those who do remember the past will find new ways to fuck things up.

WMMTY: Deep understanding of the principle behind a problem, or a quick solution to a problem, so you can get things done now?

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On the kinkometer, my kink measures as a sine wave.