I have followed Hawkin's theory from its inception ca. 2005, since then they have been through multiple evolutions: from hierarchical bayesian models (with then

I have followed Hawkin's theory from its inception ca. 2005, since then they have been through multiple evolutions: from hierarchical bayesian models (with then collaborator Dileep George) and now an Sparse representation with Subutai. However, they have struggled with a "killer app". Barring some toy examples, very little by way of real-world use-cases.