The problem you have, as is so common with many of these answers, is that they try to jump right to the problem. Wrong. It is like looking for a job. In reality you are looking for 100 places to send your resume to get 20 interviews to get 3 offers so you can pick one. So you need a methodology that puts lots of ideas in the hat and then you narrow it down through a funnel process. Marketing 101.. See Marketing Textbook from profs at Kellog School (NorthWestern).