Recently, we've had some understandably upset members because they happened to view a thread that contained spoilers in them. We must remember, if we're going to put spoilers in our posts (As in: I think we can freely discuss what happened in Rocky I, but don't spoil the ending of The Dark Knight), then use the following guideline, from Wrigleyboy25:

This is a problem and people shouldn't be posting them without bold warnings and lots of space in between the warning and the spoiler. Or simply use white text.