And you need to follow them. http://www.vulture.com/2008/03/spoilers_the_official_vulture.html
Type 1 Unmarked spoilers allowed in text of article 2 Spoilers allowed in article headlines or in non-show-specific articles
Reality-TV shows 1 As soon as the episode is over. 2 As soon as the episode is over.
Narrative TV shows 1 The day after the show runs in its normal time slot. 2 Three days after the show runs in its normal time slot.
Movies 1 The Monday after the movie opens. 2 One month after the movie opens.
Plays 1 One month after the play opens. 2 Three months after the play opens, or when it closes, whichever comes first.
Books 1 Three months after the book is published. 2 Six months after the book is published.
Operas 1 100 years after opera's premiere. 2 Never.
Plus, twitter is not any way to have a real conversation!