I am posting the same thing every time framework pops up on HN. I hope the nudging will do it's work eventually. Meanwhile I am wondering why there aren't many

I am posting the same thing every time framework pops up on HN. I hope the nudging will do it's work eventually. Meanwhile I am wondering why there aren't many third party mods for the framework around. Would it be feasible to design a trackpoint keyboard (if you figure out how to put it in the profile) ? Does it connect via USB or alike internally?