There are some instances still up, but I think the assumption is that eventually all of them will shutdown with time. I don’t know the exact reason for it (you can read more here), but something was changed on Twitter’s side that will end all of these.
There are some instances still up, but I think the assumption is that eventually all of them will shutdown with time. I don’t know the exact reason for it (you can read more here), but something was changed on Twitter’s side that will end all of these.