I remember being excited about lists way back when Path was path.io and apparently a tool for creating and sharing lists (<a href="http:&#x2F;&#x2F;readwrite.com&#x2F;2010&#x2F;02&#x2F;15&#x2F;first_peek_at_pathio_the_stealth_startup_from_face" rel="nofollow">http:&#x2F;&#x2F;readwrite.com&#x2F;2010&#x2F;02&#x2F;15&#x2F;first_peek_at_pathio_the_ste...</a>). I was really disappointed when it turned out to be yet another social network, and no one has really seemed to crack this space yet (maybe Trello, or Workflowy?).