Tools

Roll up, roll up .. again & again any object you like

How many times do you need to summarize values on one of your objects with a rol up summary? And on salesforce you can create a roll-up summary field to display a value in a master record based on the values of fields in a detail record. BUT .. the detail record must be related to the master through a master-detail relationship. Not any longer. There are a couple of paid tools on the Appexchange that give you the ability...