Psychiatrists prescribe medicine, and may also use psychotherapy, although the vast majority do medical management and refer to a psychologist or other specialized therapist for weekly to bi-monthly psychotherapy.
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Google is a play on the mathematical googol, which is the number 1 with 100 zeros after it. It's short hand for a really big number. A googolplex is the number 1 followed by a googol zeros. Google's headquarters is known as the Googleplex. Incidentally, I went to high school with Larry Page.