` Gee whiz , it 's almost as if @ Groupon Presidents Day promotion honors non-President Alexander Hamilton . Online coupon company calls Hamilton `` undeniably one of our greatest presidents '' Hamilton , who 's on the $ 10 bill , was treasury secretary but not president . `` Joke ? Not so much. # AllKindsOfSerious '' Groupon tweets .
Groupon Presidents Day promotion honors non-President Alexander Hamilton . Online coupon company calls Hamilton `` undeniably one of our greatest presidents '' Hamilton , who 's on the $ 10 bill , was treasury secretary but not president . `` Joke ? Not so much. # AllKindsOfSerious '' Groupon tweets .