For Chrys Bader, the co-founder and lead designer of the two-month-old Secret mobile app, his “allergy to complexity” all started when he spent about a year working on Google+. It was during that time, working on one of the most complex social products out there, that he realized that utter simplicity and a singular focus were the keys to building powerful social mobile products.

I love articles like this because you get to see what’s behind the app. Sometimes you can even see where the product doesn’t match the philosophy.