> Tests are not necessary, neither are code reviews -- If no one uses your app then who cares if it crashes. If many people use your app and it crashes, they'll

> Tests are not necessary, neither are code reviews -- If no one uses your app then who cares if it crashes. If many people use your app and it crashes, they'll tell you and then you'll fix it. The article is full of witticisms like this one. It's a great read. And SumatraPDF is fantastic, super lightweight, extremely fast and stable.