12/15/2006

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I just upgraded Google Community vBulletin. I thought they had better ways to fight spam, but not so: they use image verification, no matter how complex it is. The more weird-looking the images get, the harder it is for real humans to read them. Sometimes, computers can even read images (using OCR) better than humans can. So that’s not the way to go. Computers can crack images better than humans can, so we really need to focus on what computers cannot do. I think the next logical step is to ask a question, like a test you might have taken at school.
It’s simple, easy to implement, and very effective at defeating bots. I think it should be at least as effective as image verification.

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This is part two in my series on dreams I’ve had this Christmas break. I had my first dream while I was still at school, in Marks Hall. This one I had just last night, here in the comfort of my home. In particular, I slept on the lower bunk of my bunk bed, while I usually sleep on the top bunk.

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Now that the stress of the school year has been lifted, I’ve been having more dreams at night. Here’s one I had a few days ago, while I was still at school.

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