Home automation is when some aspects of the home, such as lights or heating, are controlled by some form of digital assistant, such as a smart speaker. Then term can be used more generally to fully autonomous smart homes, but is more usually applied to those systems command by the human user.
Used on Chap. 1: page 11; Chap. 13: pages 289, 312; Chap. 15: page 345; Chap. 16: page 370; Chap. 19: pages 458, 462, 463; Chap. 24: page 586