I agree, but I worked at a tech company that IPO'd in 2014, and to this day they still get referred to as a startup. E.g. Shopify, Etsy, GrubHub, Care.com, Zend

I agree, but I worked at a tech company that IPO'd in 2014, and to this day they still get referred to as a startup. E.g. Shopify, Etsy, GrubHub, Care.com, Zendesk, etc.