Help us find leads missing info

Have a page where all missing info are displayed : this lead is missing email, this one twitter, this one linkedin...
It will be easier to make our research and fill in Breakcold, if we had a dedicated place for it with forms to fill, and not having to go to check every lead we have entered.
Other option would be to add a notif or a visual cue on each leads that's missing critical info (LinkedIn, Twitter, Mail) (or let us decide which info is critical)