When you have a genius app idea, a brand-new job, or a fresh injection of venture capital, the temptation to tunnel-vision on shipping new features can be overwhelming.If you play your cards right, this focus pays off, rocketing your app to the top of the download charts. Not good enough.You won’t stop until everybody is using your app.Upon achieving this absurd milestone, you realise a hard truth: 1 in 6 users think your app is broken.Then it hits you.Oh sh*t. My app is successful and I didn’t ...