Glad to see my technical debt has gone full circle, and become the bleeding edge (joking-not-joking). Hierarchical linear models implemented as aggregation queries are surprisingly powerful and easy to scale. We use them in production to do time series forecasting, among other things.
>Glad to see my technical debt has gone full circle, and become the bleeding edge
This exact cycle is why I'm starting to feel serious burnout in this industry. Even when I look to other related branches of data analysis, everything just feels to be a gigantic cesspit of corporate ignorance feeding on itself, fueled by new buzzwords.
I wonder if anyone's done studies on the cycle time of technology adoption in corporate life; I swear it's getting faster.
