|Sure. My guess would be less than half ever had a modem. |
You can go to thrift shops and get them for almost nothing but be sure you understand about the versions needed with your isp for best results. Some may not connect.
They are offered in both internal and external and also if you are into other OS's hard and soft (win) modems.
"Best Practices", Event viewer, host file, perfmon, antivirus, anti-spyware, Live CD's, backups, are in my top 10