"You want security? They've got security" ("Privacy in an age of terror," Special Report, Nov. 5, 2001)

In "You want security? They've got security" about Singapore ("Privacy in an age of terror," Special Report, Nov. 5), the following two sentences did not appear because of a production error: "When you drive down a tollway, roadside sensors pinpoint the location of your car and charge tolls to an account that identifies you by your National Registration Identity Card (NRIC)." And: "Citizens, a mix of Chinese, Malays, and Indonesians, assume that since their lives are encoded on the government's central database, someone could detect their location at any given time."