I'd say, be as short and to the point as possible, without leaving out crucial details. Make your first point/first sentence summarize your whole application.
Look up the application of Drew Houston, founder of Dropbox, it gives you an idea of how he got in.
As a closing remark, your application is in the end not about being short or long. What you need to strive for, is convincing the reader, that the founders are capable, motivated persons, who can execute an idea to commercial success.
I'd say, be as short and to the point as possible, without leaving out crucial details. Make your first point/first sentence summarize your whole application.
Look up the application of Drew Houston, founder of Dropbox, it gives you an idea of how he got in.
As a closing remark, your application is in the end not about being short or long. What you need to strive for, is convincing the reader, that the founders are capable, motivated persons, who can execute an idea to commercial success.