Disagree with almost everything this guy wrote.

99% of startups and in house business apps will never need to scale at a level that an RDBMS can't support. We should all be so lucky to have the success that brings these horizontal scalability problems.

Also, I hope he lets us know what kind of incredible data he end up mining from his mouse movement logs. Surely every website and app on planet Earth has completely exhausted basic solutions like A/B testing and usability testing to make their apps better. The only solution now is to embark on a data mining expedition so that artificial intelligence will tell us how to make better software.