plan: (v.) to organize what you're going to do before you do it

strategy: (n.) a plan focused on accomplishing a specific goal that takes into account what challenges might arise, and how best to overcome those challenges

This is pretty much what strategic planners do, right? (Although "strategic planner" is a bit redundant; I prefer just "strategist".)

And the question remains, in a digital world, to what extent can we make intelligent predictions about what's going to happen once we set our plans in motion?

A plan is typically something that happens before things start.

So, what do you call a plan that continuously evolves during its execution?

On a related note, I love this bit of wisdom that Gavin left in the comments:

I read a story about communication between pilots and between pilots and air traffic controllers. ... And when you are in a plane, that can have fatal consequences. Imagine if we had to communicate like our life depended upon it. Maybe then we'd think more carefully about the words we use ;) - Gavin Heaton