"Google Home has stopped answering to that annoying Burger King ad... was likely just a quick fix on the server side designed to block a specific waveform...Interestingly, it’s not the specific function, just the voice from the ad. Asking Home what a “Whopper sandwich” is in your own voice (like a Big Mac, but smaller) will bring up the Wikipedia entry as initially intended."
Source:
https://techcrunch.com/2017/04/12/google-home-has-stopped-an...