Objects
People (ID, FacebookID, FirstName, LastName, email)
Places (ID, FacebookID, YelpID?, Name, Lat, Long, Address, Cuisine)
MenuSections (
MenuItems (
Annotations (

Relationships
PeopleAreFriends (from Facebook)
PersonLikesPlace (from Facebook, and on ours)
PersonHasEatenMenuItem
PersonLikesMenuItem

has-many
belongs-to-many