Most recently used - a heuristic that works for computers as well as humans
We use the “most recently used” heuristic to make things faster given a limited amount of physical or mental space. With computers, we use the “most recently used” heuristic to make software run fast with a limited amount of memory. This applies in everyday human life too. Keeping salt and pepper at the table instead of in a distant spice rack makes eating a faster experience. We can also make iPhone apps organization faster and less painful.
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