Philips is already one of the biggest names in smart light bulbs, and now its beginning to test a new unit that could be even smarter. At a retailer in Düsseldorf, Philips is piloting a lighting unit that includes a built-in beacon that can relay location and product information to smartphones. The connected lighting system is Philips answer to a slew of emerging tools that allow retailers to interact with shoppers smartphones as they walk throughout a store. For now, Philips is only running a demonstration of the new technology, and it hasnt said when or if its connected lighting system will see a wider distribution.