>Question: before Apple invented airpods, how many lithium ion battery powered headphones were in landfills? Nearly zero, because folks used wired headphones.

>Question: before Apple invented airpods, how many lithium ion battery powered headphones were in landfills? Nearly zero, because folks used wired headphones. Bluetooth headphones existed prior to 2016 when the AirPods were released. Wireless headsets for phones were also very disposable. Wireless buds were also poor quality and didn't last.