I used wifi for the first

[gzz]

I used wifi for the first time on my school network circa 2001. Laptops rarely/never had built in wifi then, but they did have large cardbus slots and LAN dongles.

http://g03.a.alicdn.com/kf/HTB1knziHVXXXXaiaXXXq6xXFXXXe/Wireless-wifi-express-LAN-Card-Smcwcb-g2-Ez-Connect-Laptop-Cardbus-Pcmcia-Wireless-G-Adapter-2.jpg