When a Game is Too Long - Respecting the Player's Time - Extra Credits

With games that continue to expand into vast open worlds and the number of hours a game takes to complete goes up and up and up, we have to ask ourselves: is this game really worth my time? Is this 90 hours of engaging material? Or is it 5 hrs of engagement stretched over 90? How do you design around potential grind fests, even when you're working in a genre that needs them so the player doesn't burn through new content, like MMOs? Even small changes to game design choices and UI design can save players som