Reverting to Old School

Sometimes teaching old dogs new tricks is impossible (especially if the old dog doesn't want to learn / admit they have things to learn).

So how does one show a spreadsheet challenged individual how far behind they are?  Not to mention how much of their workload they are dumping on others....

Colored post it notes on a door.  If a picture is worth a thousand  words .... hundreds of little post its are worth ones sanity :)