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Performance Posts

What 10× Lower Latency Buys You in Adaptive Learning

Adaptive learning is a category that gets used loosely. Every edtech vendor with a quiz engine and a difficulty slider claims to be "adaptive." Most of them are not, in the sense that matters. The question that separates real adaptive learning from marketing-deck adaptive learning is a latency question, and the threshold is roughly two milliseconds.

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About that MacBook Pro 200 GB 7200 rpm Hard Disk

I've been working with this new MacBook Pro for about 2 months now. I ordered the latest hardware refresh the day that it was released. I'm very happy with it. This new model replaced a 2-year old model which was also the "ultimate" configuration when it was out. One of the things I noticed about the new MacBook was the much faster hard disk. You can really notice the difference when you move to 7200 rpm from 5400 rpm.

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