Not everyone has great organization skills, and if you are organizationally-challenged, now is the time to develop a system to keep all your career fair information and contact details handy.

If you want to keep all the literature you picked up at the fair, consider some sort of filing system or accordion folder.

For all the other information, perhaps a spreadsheet is the simplest manner for keeping everything organized. You can even scan business cards into your computer as a way of keeping electronic copies of key information.