“Twitter Lists have rolled out to a majority of users on the site now and the uptake has been remarkable. Things will get truly interesting when lists can by turned into columns in 3rd party clients like Tweetdeck and Seesmic (one small client says it’s shipped list support already and Tweetdeck says it’s coming soon), when you can share items with particular lists exclusively (like you can on Facebook) and when you can search inside particular lists.”
