I'd like to see an interactive version of this where you can change the time period you are considering the savings accross from 5 years to something smaller.
EDIT:
Found this R project on Github:
https://github.com/odeleongt/xkcd_task_optimization
Also, found this chart on Reddit (Money instead of time):
https://www.reddit.com/r/xkcd/comments/31rlfh/remix_of_xkcd_...
