This Planet Money episode is a must-listen for Excel fans: http://www.npr.org/sections/money/2015/02/25/389027988/episode-606-spreadsheets http://www.npr.org/se

This Planet Money episode is a must-listen for Excel fans: http://www.npr.org/sections/money/2015/02/25/389027988/episode-606-spreadsheets http://www.npr.org/sections/money/2015/02/25/389027988/episo...