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Need better tweet aggregation - weighting by reputation, by specificity of content, bundling together tweets that more or less say the same thing, etc.
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It's like those pens for writing on screens. If they're as sensitive as the sensors allow the line is crazy squiggly. If they're over smoothed the line is a graceful curve that doesn't go where you want and still lags by a few seconds. The sweet spot is moderate smoothing.