Sprint Fringe Now website. The new section "Typewritten Messages" requires you to enter the glyph codes seen during the episode "The Plateau".
After entering the correct unlock code, BREACH, a video is shown titled 'They're Awake - Get sleeper intel from the Other Side.'
The 'Typewritten Message' this week is SLEEPER CELLS ARE ACTIVATED.
BTW, after analyzing the morse code on the site, the two remaining sections should be 'Animated Graphic Novels' and 'Fringe Webisodes'.