The document discusses the business model and marketing strategy for Ap4 Construction Platform applications. The applications follow a software-as-a-service model where clients pay per project. The pricing model encourages collaboration by lowering the price for each additional application used on a common project. The marketing strategy targets Ap4 project managers first, then contractors and architects. It also discusses promoting the applications through newsletters, whitepapers, videos, webinars and search engine marketing. International expansion will come through partnerships with existing clients' foreign businesses.