I bet John Wanamaker wished he was using UTM Photo Source – https://www.phillymag.com/news/2016/07/11/john-wanamaker-philadelphia-history/ “Half the money I spend on advertising is wasted; the trouble is, I don’t know which half” John Wanamaker Who was John Wanamaker? “John Wanamaker (1838-1922) was an American merchant and religious, civic and political figure, considered by some to be a…