This is dead on. It's not just a defense when someone changes their mind later on, it's an action item summary that clarifies what was actually agreed upon vs.

This is dead on. It's not just a defense when someone changes their mind later on, it's an action item summary that clarifies what was actually agreed upon vs. what you were just thinking out loud about. Every conversation is a mix of 'what if we did this...' and 'right, let's do this first then...'. An email makes it crystal clear for people after a call.