We all remember the image of factory workers lined up to stick their card in the punch clock and pull the lever. That's still around, and still a reliable way to document an employee's hours. But for businesses with many waged employees, who has time to calculate all those hours? New technologies like swipe cards and proximity badges have made the rounds. These are popular not only because it's easier to punch in and out, but the payclock records and calculates all the data. This is then exported to your payroll software.
Want to go even further? Want to eliminate the possibility of an employee losing their card or badge, or even giving it to their co-worker while they skip out unnoticed? Biometric time recorders eliminate all of that. Timeclocks using fingerprint scans are older than you realize, but the new hotness is face recognition. No cards, no fingers- look at the clock and it'll record you as in or out.
In addition, if a simple timeclock is able to recognize everybody's face, nobody at the office party has any excuse not to know who all their co-workers are.