A few days ago the total U.S. debt surpassed $19 trillion. It’s such a huge amount that for the sake of clarity let’s write it down in numbers: 19,012,827,698,418 (exact amount as of Jan 31st, 2016). Since 2009 the debt has risen by a staggering $8.4 trillion and during the same period inflation has basically been zero. How concerned should you be of this development?