Edison learned this lesson early on. https://www.newenglandhistoricalsociety.com/thomas-edison-invests-something-one-wants/ https://www.newenglandhistoricalsoc

Edison learned this lesson early on. https://www.newenglandhistoricalsociety.com/thomas-edison-invests-something-one-wants/ https://www.newenglandhistoricalsociety.com/thomas-edison-in...