The first is a simple attempt to improve the layout of the keyboard, which was originally designed to slow typing down. The Dvorak Simplified keyboard was developed in the 30's, and has been shown to allow for significantly faster typing speeds, but has yet to become widely adopted. More info here:
The second interesting example is a "constructed language" called Ithkiul. The most interesting and relevant aspect of this creation is the claim that "a fluent speaker of Ithkuil... would think 'about five or six times as fast' as a speaker of a typical natural language."
More on that here:
And to hear an example of how the language sounds, click here:
Could a speaking a different language really increase the speed of one's thinking ability?
Are languages and other evolved media of communication like typewriters inherently flawed by their organic nature, or are they do they exemplify a give and take necessary for cognitive systems to be adapted by large populations?