With a growing trend of designers, retailers, and even musicians revealing news about their brands through this platform, we suppose we shouldn't be totally surprised that Dunham also chose this social medium to share the preview. So, what can we tell from this mini trailer? Adam is still kind of a jerk, and Hannah hasn't navigated her own awkwardness. Season three premieres January 12. In the meantime, enjoy the snippet of joy that is Dunham's Insta-gift.