This Philosophy Professor Used Kickstarter to Grow His Business. Now, Popsockets Has Sold More Than 200 Million Units. Posted byJames McKinney May 19, 2021 Leave a comment on This Philosophy Professor Used Kickstarter to Grow His Business. Now, Popsockets Has Sold More Than 200 Million Units. Popsockets Founder David Barnett explains how he started the business in part because he got tired of dealing with tangled earbud cords.