self-segment

verb3

1. •
   To choose a product or service on the basis of factors such as quality and price, rather than because of targeted marketing.

   • Through social media, consumers self-segment and are doing the work of a marketing department for their suppliers. — 2017
2. •
   To place oneself in a particular group, for example when responding to a survey.
3. •
   To cause a thing to acquire appropriate size by a planned process.