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Yup. Those laws are pretty loosely enforced and vary on a state-by-state basis, but they're definitely a concern.

Is avoiding regulation as simple as changing what you call yourself?

If the regulation governs naming, then yes.

UberCab becoming Uber is another pretty good example of this name switch to get ahead of regulators from a brand perspective.

1-600-DOCTORB ("The B is for 'Bargain'")

Thanks Dr. Nick!