PSA - As an alternative to headphones I came up with "stealth" earplugs. Take regular memory-foam earplugs, cut them down so the outer edge is flush with your e

PSA - As an alternative to headphones I came up with "stealth" earplugs. Take regular memory-foam earplugs, cut them down so the outer edge is flush with your ear hole, and color the outside edge black with a sharpie. The cut out the background noise but let enough sound through that you can have a normal conversation with someone next to you. Sometimes I wear them all day.