Several Factors Lead to Organizational Memory Being an Important BI

Several factors lead to organizational memory being an important BI capability. Which one of those below was discussed?

A) Technological progress and rising data storage costs means organizations must reduce data volume.
B) Improvement in knowledge management technologies have led to considerable organizational knowledge being stored in DWs.
C) Computer pervasiveness and increased use of e-mail, IM, chats, and Facebook imply that structured information and implicit knowledge is stored in electronic form.
D) Structured data and information often exists across multiple transactional systems that are mutually disconnected and often incompatible.
E) None of the above