Supposedly it had an app that would help find the umbrella if you lost it, and alert you if it was going to rain. I did not download the app so I don't know if it was any good. It was a freebie from a doctor's office
IoT was an early AI-type Hypewagon that reached it's inevitable end by disappearing in failed and unused products for the most part. Which also - as predicted - became an attack vector for bot farms. My dryer does not need connectivity - maybe a laundromat or something but that kind of special-use case is exactly what they're not doing.