Before anything you should define what constitutes simplicity for the purposes of your post. New Twitter is much more complicated than the old one. You are co

Before anything you should define what constitutes simplicity for the purposes of your post. New Twitter is much more complicated than the old one. You are confusing simplicity in the user experience with simplicity in the back-end. I'd argue the new Twitter is simpler. But its back-end is more complicated. Great front-end simplicity often requires a lot of back-end complexity.