Mountain Lion has an application called Contacts. Mountain Lion Server has a service called Contacts. While the names might imply differently, surprisingly the two are designed to work with one another. The Contacts service was called Address Book in Lion and below and is based on CardDAV, a protocol for storing contact information on the web, retrievable and digestible by client computers. The Contacts service is also a conduit with which to read information from LDAP and display that information in the Contacts client, which is in a way similar to how the Global Address List (GAL) works in Microsoft Exchange. I know I’ve said this about other services in…