Kid Charlemagne
I am the Very Model of a Modern Moderator
The thing about backstory is that it eventually becomes the main story - as in the Darth Vader example.
I think it's vital to drop lots of hints about story elements that aren't currently in the foreground. It's also a good idea to reintroduce that backstory element in the same session that it later becomes relevant, to refresh the player's memories. If you rely on the PC's to try and uncover things, you will often be dissappointed. One rule of thumb is that you need 4 ways for a PC to discover a clue. Players have an amazing way of ignoring things that the DM thinks are obvious - or perhaps that DM's have an amazing way of being shocked when they find that what they think is obvious, isn't to other people.
Be liberal with hints, but don't just tell the players. Mysteries are fun, but only if consistent, constant progress is being made.
I think it's vital to drop lots of hints about story elements that aren't currently in the foreground. It's also a good idea to reintroduce that backstory element in the same session that it later becomes relevant, to refresh the player's memories. If you rely on the PC's to try and uncover things, you will often be dissappointed. One rule of thumb is that you need 4 ways for a PC to discover a clue. Players have an amazing way of ignoring things that the DM thinks are obvious - or perhaps that DM's have an amazing way of being shocked when they find that what they think is obvious, isn't to other people.
Be liberal with hints, but don't just tell the players. Mysteries are fun, but only if consistent, constant progress is being made.