HFT could be curbed simply by raising the execution price for each consecutive trade a firm makes in an hour (or even in a minute). Won't affect most traders, but HFTs would become more expensive. There's really no incentive for the exchanges to do this, since they're raking in millions in co-location fees and they're able to claim lower execution times for most trades.
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Looks like I'll just have to get my kid Lawn Darts for Christmas instead.
Deploy the counter-Watsons to talk to the sales-Watsons. Only then will Watson learn that the only winning move is not to play.
WordPerfect file from an Apple IIe. Used a ProTerm on the Apple IIe, and null-modem serial cable to a Mac with a Keyspan USB->Serial adaptor. Worked great.