In the future rush to get to work, the day's tasks will be checked using a personal robotic butler, the misplaced car keys will be located by entering the word "keys" into a cellphone and getting a call back saying "bedroom." The children will be monitored by sensors that detect their every movement. At work, the office map uses the same kind of sensors to track down staff members for a meeting. The work day is interrupted by a break to play with the cat remotely over the Internet. After work, the ads on the shopping mall wall reconfigure to suit each person passing by, so when there is a sign for a concert, you buy a ticket by waving your cellphone over the billboard. At home that night, the phone programs the dishwasher and washing machine to run while the family sleeps.