Altogether 17 factors and 90 variables of KMS diffusion were identified from different companies via extensive content analyses as described earlier. Comprehensive list of these factors and variables can be obtained from Xu [38]. Out of the 17 factors, 11 are primary factors. These are: External inspiring factor, Task complexity factor, Individual factor, Organizational factor, Management support factor, KMS characteristics, Perceived usefulness, Perceived userfriendly, Perceived voluntariness, Subject norm, and Diffusion of KMS. The factor Diffusion of KMS has six more sub-factors such as: Initiation, Adoption, Pilot implementation, Organic growth, Organizational implementation, and Sustained use.