It's really thrown off some old adages. It's now "the first 90% takes 90% of the time, the last 10% takes the other 90,000,000% of the time."

Just doesn't have the same ring to it.

It's more Zeno's paradox. You take one step, get 90% of the way to the finishing line. Now you look ahead and still a bunch of distance ahead of you. You take another step and get 90% of the way there. Now you look ahead and see there's still more distance ahead of you,...