Tharvot
Crusader for Truthiness
What an amazing episode
Danaerys will be summoning Jon Snow to the bedroom any day
Refresh my memory, was that the first revelation that the old lady was the one who poisoned Joffrey?
I don't think so? I seem to remember her discussing it with Margaery after the act, but I could be mistaken.
Littlefinger explained it a while back to Sansa when he got her out of King's Landing. If you watch the episode carefully, you see Olenna adjust Sansa's necklace and one of the purple gems is missing from it afterwards. That's the poison used to kill Joffrey.