> the estimated $1.4bn worth of card transactions that Americans make annually This article seems to be off by a factor of 1000 on this number. $1.4 billion in

> the estimated $1.4bn worth of card transactions that Americans make annually This article seems to be off by a factor of 1000 on this number. $1.4 billion in debit card transaction for the U.S. doesn't pass the sanity check ($10 in annual debit transactions per U.S. household??). Source below confirms the number should be 1-2 trillion, not billion. http://www.marketwatch.com/story/us-2013-credit-and-debit-card-purchases-increased-8-over-2012-2014-02-18 http://www.marketwatch.com/story/us-2013-credit-and-debit-ca...