It is dangerous territory, tread carefully. I've seen situations where "exclusive partnership" means "this is threatening to us, we want to put this on a shelf and get it off the market." If the fact that you're asking here reflects a negative gut-reaction to the idea, you might want to listen to your gut. There was an interesting and relevant article posted to HN about two weeks ago: http://news.ycombinator.com/item?id=309526