Which major dictionary was the first to use crowdsourced customer feedback as a primary method for identifying new words and changing definitions?

Dictionary publishers and language institutions rely heavily on customer feedback to track evolving language usage. This process of incorporating new words, phrases, and definitions based on public input has dramatically changed how languages officially evolve. Test your knowledge about how customer feedback shapes our dictionaries and formal language recognition!

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Oxford English Dictionary (with its 1879 Appeal to the Public for contributions)
Merriam-Webster Dictionary (with its 1961 Word Watch program)
American Heritage Dictionary (with its 1988 Usage Panel)
Urban Dictionary (with its 1999 online submission platform)