This likely isn't what the op had in mind, but if you're open to it, the best alternative to both reading and authoring on Twitter is to get up from your desk a

This likely isn't what the op had in mind, but if you're open to it, the best alternative to both reading and authoring on Twitter is to get up from your desk and exercise outside for 10 or 15 minutes. If you see other people, start a friendly, civil conversation. The skills you develop once you get the hang of doing this, and the information you'll stumble upon outclass Twitter, which is merely an interaction between human and keyboard.