Until this day, I miss Optane — I work for a timeseries database company focused on finance, the amount of use cases I have that screams “faster than NVMe, slow

Until this day, I miss Optane — I work for a timeseries database company focused on finance, the amount of use cases I have that screams “faster than NVMe, slower than RAM” is insane. And these companies have money to throw at these problems. Which begs the question, why isn’t anyone else stepping into this gap? Is the technology heavily patented?