The office man runs his ‘security pass’ through the turnstiles of the corporate building and clocks on for the day; his presence is recorded at 8.24am on a Monday.
At 9.43am, he exits the building to grab a coffee, passing through the turnstiles again, swiping his security pass across the sensor and unlocking the barrier. His ‘security pass’ logs him out of the building at 9.43am.
Since the late 1700s when the first recorded system of clocking on was imposed in the early cotton mil...
