3 ms·It's not too late! Thinkpads still come with a nub.by ghostpepper 6y agoIt's not too late! Thinkpads still come with a nub.war1025 6y agoI tried to use the nub thing once since I have a Thinkpad through work. Really not to my taste.jagger27 6y agoIt takes a while to get used to. The biggest value add for me with the nub is scrolling while holding the middle button. I love that.