I'm inclined to think that if you can't see why a product is useful to use after a week, it's probably not worth it. But then, my experiences with DDG have most

I'm inclined to think that if you can't see why a product is useful to use after a week, it's probably not worth it. But then, my experiences with DDG have mostly consisted of comparing its results with google, and finding that the interface is a lot less usable.