This called to mind the ScanCard, a proprietary roughly 3x3 inch card system with colored borders meant for people with lots of irons in the fire. Amazingly, th

This called to mind the ScanCard, a proprietary roughly 3x3 inch card system with colored borders meant for people with lots of irons in the fire. Amazingly, they're still in business: http://www.scancardorganizer.com/ http://www.scancardorganizer.com/