“Quick phrases” is a new feature currently under development for Google Assistant that could one day let you skip having to say “Hey, Google” for common phrases like “What time is it?” or “Turn the lights on,” 9to5Google reports. via Technology and News Today https://www.theverge.com/2021/9/2/22653614/google-assistant-quick-phrases-guacamole-salsas-wake-word-phrase
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