I believe you can batch add the people you follow to a list using this Chrome extension https://chrome.google.com/webstore/detail/icotile-twitter-friends-a/keh

I believe you can batch add the people you follow to a list using this Chrome extension https://chrome.google.com/webstore/detail/icotile-twitter-friends-a/keheepbhdmkajbopbnjfbjmiahjaiaim?hl=en https://chrome.google.com/webstore/detail/icotile-twitter-fr... In particular, there is a "select all" button. It may break if you have too many people, though.