Grumpy Old Geeks Topics Addictive app design Topic Addictive app design 3 mentions in 1 episode The hosts discuss interface and notification choices they believe encourage repeated phone and app use. Mentions 218: Shaka, When the Walls Fell Jul 17, 2017 5:27 It's the click and feed and ego. 6:31 That red dot shows danger. 7:24 They dribble and drab those out over the course of an hour.