then you will need to validate 2 things: the concept and your marketing tactics. There are many consumer app ideas that many people would love, but if you have

then you will need to validate 2 things: the concept and your marketing tactics. There are many consumer app ideas that many people would love, but if you have no way of reaching that, it'll all be naught. So you need to come up with tactics for marketing, whether it be getting bloggers to write about it, spreading it thru forums, SEO, etc, and test those tactics. See if they are viable long-term strategies.