New and old technology can coexist well together. For example, I had a ground water monitor installed recently which has a wireless feature that seamlessly deactivates a related irrigation system. Sounds complex, but the key element in the system is cork. When the cork in the device expands due to rain it triggers the cutoff. Cork is very useful in other areas too. The modern fishing reels use exotic metals and arbor designs to get the best performance. But cork is still used for the drags. This sets the tension on the line when fighting a fish which is the main purpose of a reel. In wine cork is preferred sealer especially for the purpose of aging. In trading the older methods of going against the panics and the crowds can coexist and profit in the post HFT world.


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