The ideal area is at the soft part of the roof of baby's mouth. (expressing-mama.com)
Customers you manage to win over after a bad experience will shout from the top of their roof tops about how amazing you are. (smallbusinessesdoitbetter.com)
I particularly like the edge of the roof line, accented by a chrome strip, forming a graceful arch with a little kick at the end. (cnet.com)