▁the ▁software ▁and ▁share ▁it ▁on ▁dis ks . ▁ ▁Com mer cial ▁share ware ▁distrib utors ▁such ▁as ▁Edu cor p ▁and ▁Public ▁Domain ▁Inc ▁printed ▁catalog s ▁describing ▁thousands ▁of ▁public ▁domain ▁and ▁share ware ▁programs ▁that ▁were ▁available ▁for ▁a ▁small ▁charge ▁on ▁flo ppy ▁disk . ▁These ▁companies ▁later ▁made ▁their ▁entire ▁catalog ▁available ▁on ▁CD - ROM . ▁One ▁such ▁distrib utor , ▁Public ▁Software ▁Library ▁( PS L ), ▁began ▁an ▁order - t aking ▁service ▁for ▁program mers ▁who ▁otherwise ▁had ▁no ▁means ▁of ▁accepting ▁credit ▁card ▁orders . ▁Later , ▁services ▁like ▁K agi ▁started ▁offering ▁applications ▁that ▁authors ▁could ▁dist ribute ▁along ▁with ▁their ▁products ▁that ▁would ▁present ▁the ▁user ▁with ▁an ▁on screen ▁form ▁to ▁fill ▁out , ▁print , ▁and ▁mail ▁along ▁with ▁their ▁payment . ▁Once ▁tele communic ations ▁became ▁more ▁w ides p read , ▁this ▁service ▁also ▁expanded ▁online . ▁Tow ard ▁the ▁beginning ▁of ▁the ▁Internet ▁era , ▁books ▁compiling ▁reviews ▁of ▁available ▁share ware ▁were ▁published , ▁sometimes ▁target ing ▁specific ▁nich es ▁such ▁as ▁small ▁business . ▁These ▁books ▁would ▁typically ▁come ▁with ▁one ▁or ▁more ▁flo ppy ▁dis ks ▁or ▁CD - ROM s ▁containing ▁software ▁from ▁the ▁book . ▁ ▁As ▁Internet ▁use ▁grew , ▁users ▁turned ▁to ▁downloading ▁share ware ▁programs ▁from ▁F TP ▁or ▁web ▁sites . ▁This ▁sp elled ▁the ▁end ▁of ▁bullet in ▁board ▁systems ▁and ▁share ware ▁disk ▁distrib utors . ▁At ▁first , ▁disk ▁space ▁on ▁a ▁server