How Square makes money

Square's iconic card readers have become a staple in trendy coffee shops, boutique stores and neighborhood restaurants. But the company does so much more than just help business owners swipe cards. From payroll services to the Venmo-like Cash App, small business loans and more, Square's CEO Jack Dorsey has built a $26 billion dollar fintech empire. So where did all Square's money come from and can the company's prolific growth last?