06: Introduce new tools with care

I think whizzbang is meant to be hyphenated. One or two z's, but two parts.

p. 38: If we’re used to do our decisions--should be "doing" or "if we used to"

p.38: snapping at you.
Mot importantly,

p. 38: now: has the original--needs an additional space after the colon

p. 38: adopt a new thing, build a habit, it’s a difficult -- I think it needs to be "is a difficult", grammatically