Do you want to have a more natural conversation with your AI voice assistant? If saying wake words like “OK, Google” over and over again seem to robotic and stilted for you, Google is pushing out an update that it first announced at Google I/O called Continued Conversation. 
Continued Conversation will all you to invoke “OK, Google” or “Hey,

Source: Hot Hardware – Google Assistant Gains Continued Conversation Mode For More Natural Google Home Interactions