The tweets read "In support of libraries, books, words, ideas and wishing you a magical xmas" and links to a stop motion video Christmas card on Vimeo:
Those mentioned are: @byleaveswelive, @CuratorEMG, @NatLibScot, @MichaelMacLeod1 (journalist who wrote up the story extensively on the Guardian), @TalesOfOneCity, @NtlMuseumsScot, @EdinBookshop, @HughesPeg (formerly of @byleaveswelive), @Edinburgh_CC, @ScotStoryCentre, @EdBookFest, @EdinCityofLit, @AnnaNotKarenina (formerly of @EdinCityofLit), @Filmhouse, and apparently @chrisdonia would have if I hadn't noticed and remarked upon it already...