New Delhi, Sept. 6 -- More than a decade ago, Eli Pariser wrote The Filter Bubble about the dangers of a hyper-personalized internet. His research was based largely on companies like Google and (then) Facebook using masses of our data to show us what we like, which is not necessarily what we need to know, and filtering us into little bubbles. A few years later came Nir Eyal's Hooked, which laid out the principles to build tech products that keep bringing users back. Taken together, they showed what would come to pass-apps built to 'know' us and our wants, and smoothen everything from communicating and banking to dating. To a large extent, most of us still think of app usage as time spent on social media, and therefore, believe that limiti...