Bulletin board system add-on executables, or "doors". Readers: 5700 (0.2%) {24%} Mesgs per month/day: 825/ {61%} Crossposting: 12% {45%} Megs per month/day: 1.4/0.047 {64%} Sites reciving this Group: 35% Cost ratio ($US/month/rdr): 0.08