Marion has been hired by a popular national salon business to refresh its existing Web site and update it to valid HTML5 code. Money is not an issue, but time is. Marion is asked to complete the project within eight weeks. The site currently includes 10 pages and connects to a back-end database so that customers can sign in for a personalized experience. Marion suspects that most of the existing code will need to be replaced. Marion must ensure that she has plenty of time for the testing phase, so she needs to complete the planning phase, in which she selects the multimedia for the site, within the next couple days. Which strategy should Marion use in the planning phase?