"There is this cat and mouse game that plays out over time where our team comes up with new and interesting ideas to identify content that we shouldn't recommend, and over time people are constantly probing that, trying to figure out how can they get around that and get a better reputation on Yelp."

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It is better to have a cat and mouse game where the cat has the upper hand than a cat and mouse game where the mice are ruling. Because the latter means that the market participants are given free range. That was actually the big misconception of our national hero Ronald Reagan, who always talked about the magic of the market.

— George Soros