Timex Data Link Watch (2005)Send important information from your personal computer to the award-winning Timex Data Link® watch…without wires or cables. In seconds, you can send up to 70 entries from the Timex and Microsoft-developed software that’s included. The watch sensor reads flashing bars of light on the monitor**…that’s the data.

**CRT Monitor required

I had one of these back in 1995–it was the ultimate symbol of cool.

It has also had the honor of receiving a (dis)honorable mention in PC World’s 25 Worst Tech Products of All Time.