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 in Chap. 1: page 7; Chap. 13: pages 188, 201; Chap. 15: page 222; Chap. 16: page 236; Chap. 19: pages 295, 297, 298; Chap. 24: page 378