The Rise and Fall of Waterfall is a cute video (although with a somewhat annoying soundtrack.. watch with the sound off). 

My favorite part of it is the screenshot (seen above) showing the waterfall stages and their respective impacts.  The poor Operations folks at the bottom remind me of Ken Johnston’s quote:

Ops beware; unpleasant matter tends to roll downhill and you are near the bottom

For those wondering what the alternative to Waterfall is, here is Scrum in 10 minutes

And if 10 minutes is too long, then try 13 seconds:

And for those looking for the Next Big thing, Kanban is the new “Scrum”