“No man is an island” (John Donne) and neither are sub-system components of a larger, more complex system. As with most every device in the world today, there is more to things than just simple parts that fit together with ease and harmony, coming together to complete a simple task. Coffee makers, which used to just heat water, now have internal bean grinders, brew strength options, integrated water jugs, and milk frothers. The level of complexity of modern systems requires forethought, careful planning, and lots of integration. The same applies to capsule endoscopy.