Pimberly is a cloud based system designed to support thousands of client accounts each with hundreds of thousands of products. The unique architecture we have allows us to scale the system capacity 'horizontally' by adding further nodes to the network. The process of adding and removing nodes is automatic and based on system load. Because of this we currently have no known capacity limitation. We have a number of existing user accounts with 100,000 of SKUs each and we have load tested with millions of SKUs and 1000s of users.