Vendors will tell you that most of the CMS action is now in the mid-market -- that is, point web content management (WCM) solutions where product licensing starts at $40-80,000 USD.
By Version 5.x, Interwoven's TeamSite family of CMS products faced 2 main challenges: a plethora of confusing user interfaces, and a developer-unfriendly customization environment.
Old CMS's never really die. From WorldWeb to Starbase to Borland -- and now owner number four: Industrial Medium -- the technically tantalizing but seemingly ill-fated Expressroom CMS product lives on.