Everybody likes a discount because discounts knock off some of that retail markup and make buying easier. Markdown is a writing system that is like getting a discount on writing content that will be published in html.
Whether it's fiction or fact, historical or hysterical, prosaic or poetic, if you are a writer, you have a story to tell. Tell it in what you will call, your first draft.
When I first started writing, I followed a lot of other people's rules like in order to be worthwhile, a piece must be at least one page (i.e. 350 words long). That's hogwash. After years of writing, I have learned that a good writer cuts and cuts and cuts again, until they can succinctly get their point across. What is important is to be articulate in writing. If Twitter teaches us one thing it is that you can often get your point across in 144 characters or less!
It's written. How do you get it published?
Both queries and cover letters are letters of introduction. The most important thing to remember is to craft a cover letter or query that meets the requirements of submission guidelines, which may differ from publisher to publisher and agent to agent.