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Last time, the plan looked ready.

Three unconfirmed assumptions were quietly holding the whole thing together.

The problem wasn’t that assumptions existed.

The problem was that nobody knew which ones mattered.

Here's what we learned.

An obvious guess usually gets questioned.

Nothing sounds obviously wrong.

So nobody stops to check.

Until the assumption becomes the problem.

The useful move was simple:

Name the assumption before deciding what to do about it.