I like this post a lot.

Nitpicks unrelated to the content:

You attack a problem of any complexity—anything you need to get done—, and your mind [...]

The second em dash shouldn't have a comma after it.

You login. [...] You logout without sending the email

"Login" and "logout" are nouns. The verbs are written spaced: "log in" and "log out". (To see this for yourself, try an inflected form: "I logged in", not *"I loginned".)

The MECE link should go here not here.