Sonoma Partners had a great little post on their blog about all of the different databases that a company might be using and all of the solutions that the Microsoft Dynamics CRM Platform brings to the table. So perhaps "XRM" does not really grab you and define how big the world of possibilities really is! What if you put your head around Any Transactional Relationship Management System?
Pieces of a Lab (the age of the equipment, the pieces that go together, the serial numbers, the experiments related)
Signage on a road (and the vendors that buy the space on those signs and the stores who care (they are located close to the exit))
Accessories for a Fashion Show (and the models and their agents and the clothes they will wear and )