https://techcrunch.com/2019/09/19/happyornot-raises-25m-for-its-customer-satisfaction-terminals-for-stores-and-other-locations/

Customer experience in they physical world has been getting a major infusion of tech in recent years. We now have systems being built to replace cashiers, sensors in stores and other physical locations to track where customers are walking, and smart mirrors that suggest items you might like to try on. Today, one of the brigade of startups that is enhancing that experience further is announcing a round of funding to fuel its growth.

HappyOrNot — which makes both hardware to record whether customers are satisfied or something a little less positive by tapping a face, usually on their way out of a location, and software to parse and analyse the resulting data the comes out of that input — is today announcing that it has raised $25 million in funding, money that it will use to continue building out its technology and its customer base.