Granted social media it the biggest concern but it works on pretty much any site. Just throwing it out there. In the world we live in this kind of stuff is news (as odd as that may be) so you could really be spoiled anywhere.I don't do social media sites, so I'm not too worried. Just worried someone here may say something accidentally, but I know most people here are good about that.
I got spoiled on Glen's potential dumpster death by AMC posting on FB right after the East coast airing. So I am overly cautious especially on shows like TWD.