Oura Could Be the AI David Among the Goliath IPOs: Dave Lee

The Oura ring is a marvel. Its success goes against so much conventional wisdom about startups, which says, sternly, that hardware is hard, wearables are even harder, and you shouldn’t even think about competing with Apple Inc., let alone try it. And yet, here’s Oura — filing confidentially to go public.

The audacious gadget has found its footing as a stylish (or at least, more stylish than alternatives) way to log wellness by tracking a user’s sleep, heart rate, body temperature and a vast range of other metrics. The ring, the latest version of which starts at $349, has appeared ...