> Questions of ROI are increasingly irrelevant in online > marketing, at least > with blogs, wikis, podcasts and video. I use all FREE services 'investment' doesn't have to mean cash outlay. actual time spent, opportunity costs, they're still 'investment' ROI can't be irrelevant; it's a fundamental business issue. in the end, the goal of a business is to make money. otherwise, it's a public service, a club, or a hobby.