> I wonder if this tech will lead to better quality audio from toys/books/greeting-cards that produce sound. Possibly. Eventually. We already have very high

> I wonder if this tech will lead to better quality audio from toys/books/greeting-cards that produce sound. Possibly. Eventually. We already have very high quality tiny sound drivers, they’re used in IEMs. They’re expensive though. The quality of the applications you asked about is mostly limited by BOM cost. If this new speaker can get it’s cost down, it seems like a big win especially for places that are space limited in depth.