sorry!, i messed up the link -- i tried to link to the first tweet, which is viewable not logged in, and has a link to the study; then if you are logged in, it

sorry!, i messed up the link -- i tried to link to the first tweet, which is viewable not logged in, and has a link to the study; then if you are logged in, it has a very helpful more informal discussion of the results. but i accidentally linked to the middle of the thread, which was not useful.