“What is the main benefit you receive from this product?”

When to ask

Immediately after the 'very disappointed' question in the same survey, so respondents are still in the must-have frame. Run it as an open text field the first time you field the survey; on later rounds, use the most common phrases as a multi-choice list and keep an 'other' option.

Good follow-ups

• Which part of the product delivers that benefit most directly?
• When was the last time you got that benefit — what were you doing?
• If you had to recommend us to one specific kind of person, who would it be?

Watch out for

Averaging across all respondents and reading the mush. The benefit pattern only sharpens when you isolate the 'very disappointed' answers — the not-disappointed crowd describes a different (and less useful) product. The other failure is jumping to multi-choice on round one before you've heard the wording your users actually use; pre-written options launder out the surprising phrasings that make positioning land.

Where to ask

• In-product surveygreat

  This is the native instrument — fired right after the disappointed question, in the same survey, while the must-have experience is still concrete in the user's head.

• Long-form surveygreat

  Travels cleanly in an emailed survey alongside the rest of Sean's must-have kit; the open-ended phrasing stands on its own without a moderator.

• User interviewworkable

  Useful live as a positioning probe, but a single person's stated benefit is anecdote — the real value comes from clustering the 'very disappointed' segment's answers at sample size.

Pairs well with

• “How would you feel if you could no longer use this product?”

  Best in a survey

  From Sean Ellis · Founder, GrowthHackers · originator of the product-market-fit survey