Von Braun was a chief rocket engineer of the Third Reich and later on became one of the fathers of the U.S. space program.
His accomplishments in space technology are mindboggling.
It sounds like the OP is more of a "white label" provider than someone selling his own app. He wants other companies to use his app software to create their own apps and sell them.
read paul graham's essays, he specifically has an essay on writing. assuming you're a hacker yourself, should'nt be difficult to understand them.
try rewriting them, helps immensely.
GGS is an amazing read. never found a more elegant and simple explanantion of the history of mankind. in hindsight it looks perfectly rational and logical.
"Shunya" - sanskrit word for zero/null/nothingness
it also signifies existence(infinity/everything) is contained in nothingness.
should work as a gud koan too :P
omnigraffle comes to my mind, you can use pencil maybe, try balsamiq and the like....
mindmaps is another thats very generic in nature and has got gr8 utility.
first things first, product needs to be really good.
and when you're selling try to quantify the experience of your product in a simple way.
As to what it is, what it does and how it does, in a non-tech,no jargon,no bulllshitting manner.
this has always worked for me .period!
Von Braun was a chief rocket engineer of the Third Reich and later on became one of the fathers of the U.S. space program. His accomplishments in space technology are mindboggling.