video has been up for 2 weeks now. Here is the caption from Casio Music UK
"Stay finely tuned on our YOUTUBE channel as Casio Music UK will shortly have something revolutionary to present for our Portable Privia range..."

A reason why I collect old keyboards is that I feel partly responsible for doing it, responsible for preserving history and being a custodian for these things
Plus, old gear has a story. I like that.