(a private presentation to Stack Overflow, Trello, and Fog Creek)

The way you are using Excel causes errors, creates incomprehensible spaghetti spreadsheets, and makes me want to stab out my own eyes. Enough of the =VLOOKUPs with the C3:$F$38. You don't even know what that means.

Notes are located at the Trello Board https://trello.com/b/HGITnpih/you-suck-at-excel

Apologies to Donnie Hoyle
http://www.mydamnchannel.com/you_suck_at_photoshop/season_1/yousuckatphotoshop1distortwarpandlayereffects_1373

(From Youtube)