If you don't explain a business model (selling add-ons, advertising, freemium)... People will assume the most nefarious business model possible. I know how Face

If you don't explain a business model (selling add-ons, advertising, freemium)... People will assume the most nefarious business model possible. I know how Facebook and Gmail and Dropbox make money. I'd need to know how you make money before I start using your product.