Credit card sized plug in peripherals (PCMCIA, JEDIA). Readers: 5400 (0.1%) {22%} Mesgs per month/day: 242/8 {33%} Crossposting: 11% {43%} Megs per month/day: 0.3/0.010 {32%} Sites reciving this Group: 38% Cost ratio ($US/month/rdr): 0.02