How to add people to Twitter lists without notifying them

Twitter lists are a useful, if little-discussed feature that allow you to group your many different follows into coherent categories. If you’re like me and follow people from a wide swathe of society, you might find it helpful to break them down into lists. That way you can check those lists when you’re interested in seeing updates from, for example, personal friends or news sites. But if you’re like me in another way, you’re kind of a hypocrite and get a little annoyed