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Comment Re:Can someone explain please? (Score 2) 106

I think it helps shrink the bid/ask spread for smaller traders, and produces a *lot* more market liquidity. When the stock is "trading" near 10:
  • If you want to buy it at 10, you can buy it at 10 + 1E6 when you want, not stuck hoping that a few people will try to sell it to you at 10.25 when they feel like it.
  • Or if you put in a limit order at 10, *someone* will be there to sell it at 10 - 1E6 if it hits that price for a duration below the limits of human perception.
  • In either case, as a smaller trader or an investor, you can finish your trade and move on with your life without having been screwed by an arbitrageur in an inefficient market.

It's sort of like buying at a supermarket (or market) rather than at 7-11.

Comment Re:Before and After (Score 2) 75

Consider requesting the DICOM data for the scan. Radiologists had the foresight to standardize the format for all kinds of medical imaging, and who knows what we will be able to do in the future with the help of medical research and AI when presented with a time progression of images for one person

Computerized tomatography and nuclear magnetic resonance imaging only appeared circa 1970, but there are still at least some doctors around who try to divine things by looking at a printed film. Budding radiologists seem to get it, though.

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