I guess it didn't recognize your upgraded Firefox. > From: Noelle <noelle> > Date: Sat, 17 Jun 2017 10:22:38 -0700 (PDT) > > > Date: Fri, 16 Jun 2017 16:20:23 +0000 > > From: Twitter <http://www.twitter.com/~verify> > > > > Twitter > > > > We noticed a recent login for your account @Noellegi. > > Device: Firefox on Linux > > Location: where-I-live > > *Location is approximate based on the login's IP address. > > If this was you > > Great! There's nothing else you need to do.