When sales improve, marketers need to prove their activity drove the lift. They must tie marketing campaigns directly to sales outcomes. Closed-loop measurement does that simply and credibly.

Closed Loop Medicine's smartphone app for blood pressure monitoring has shown proof-of-concept in the Cure-19 study.

Insulet's system will add to the growing field of closed loop devices, which represent the evolution of insulin pumps towards the vision of creating an artificial pancreas device.

U.S. News evaluates top hotels in The Loop using expert insights, awards, class ratings and guest reviews.