I dont think selling data is going to continue to be super profitable in the long run and we are already seeing effects of that now.
It seems like we we both have the same opinion on overall economy including stock market especially when it comes to valuation. That’s why I have never invested in companies like Twitter or Facebook. I think companies like facewhat are valuated so high based on investors hope. In other word it’s all just a bubble and it will work only until free money is available.