Unusual that this is from the man who is "into the whole ergonomic split layout thing": http://www.codinghorror.com/blog/2009/02/have-keyboard-will-...
Obviously opinions change, or other factors have prevailed in the design of this
Obviously opinions change, or other factors have prevailed in the design of this
There could be other considerations -- I wouldn't be surprised if there were patents around keyboard layouts, specifically the ergonomic keyboard. That could keep other companies from making ergonomic keyboards.
A quick google search pulls up the following patents:
http://www.google.com/patents/US5612691
And then there's this: