Why Do Claims Payers still Write Checks?

Why do claims payers still write checks? Paying by checks is so 20th century. Why do claims payers persist on using them in 2015, when they are legally able electronically or by debit card to pay pretty much or all of their indemnity payments and reimburse the 80 million medical invoices they receive each year? In 1979, checks were used in the United States for 86% of all non-cash payments.  Dependence on checks since declined, and at an increasing pace. In 2006, according to the feds, of 96 billion non-cash payments made, checks accounted for 33%. Other payment channels that year were ...