I made a less good version of this 6 years ago. We couldn't get product/market fit, never found a pool of customers interested in single-question surveys. Most people we talked to insisted they needed to ask multiple questions for segmenting, and that low response rates weren't a problem as long as they get enough responses. Feel free to get in touch, I'm getting nostalgic. https://www.crunchbase.com/organ...
I hope you crack it, looks great!
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