It's all about audience. Wiki's work for techy people. Most CEO's and other management types don't even know what a wiki is, let alone use them for anything me

It's all about audience. Wiki's work for techy people. Most CEO's and other management types don't even know what a wiki is, let alone use them for anything meaningful. Besides, you can read a word report on the plane, or over dinner, or while waiting for your next meeting. This is upper management's environment. Cater to that.