I don't see the attraction of Ovi services. Maybe I'm missing something. Would one of you explain, please?

I see that Ovi offers a number of useful services: file access, calendar backup, contacts backup, maps, an application store, e-mail, photo and video sharing, and a music store. All of these duplicate services I already use and am happy with. In addition, the sharing services would require my friends and family to sign up for Ovi, too, right? That's in addition to Flickr or Picasaweb or my own WebDAV box. Why would I want to switch over to Ovi's implementations?