We began to identify and phase out harmful substances in the late packaging, and moving on to the lead that was in our display glass and solder.28 Since then, we’ve also replaced mercury displays with energy efficient and mercury-free LEDs and OLEDs; eliminated arsenic from display glass;29 replaced brominated flame retardants from thousands of parts such as enclosures, cables, circuit boards, and connectors, using safer metal hydroxides and phosphorus compounds in their place;30 and eliminated beryllium-copper connectors and springs from all new product designs.