Make the right things easy and the wrong things hard to do.
Just make people better at something they want to be better at.
Twitter, for all its good, is a hate amplifier.
In many cases, the more you try to compete, the less competitive you actually are.
It does not matter how awesome your product is or your presentation or your post. Your awesome thing matters ONLY to the extent that it serves the user's ability to be a little more awesome.
The best user experiences are enchanting. They help the user enter an alternate reality, whether it's the world of making music, writing, sharing photos, coding, or managing a project.