Halfway through Sarah Frier's 'No Filter' already.  Great read (listen on @audible_com for me) ||   Jack Dorsey reportedly felt so betrayed that Instagram sold to Facebook that he deleted the app and hasn't posted since https://t.co/6csckaMCnC via @businessinsider $TWTR $FB 📕 🎧 https://t.co/aiT9xAs0v0