A quote from the article:
"If you rewind 10 years ago, when you shipped a game — if it doesn't make it into the base game, you've got to wait for the sequel," said Pete Hines, vice president of marketing at Bethesda. "Now, you're in this universe where if it doesn't make it into the base game, we'll maybe do that as an expansion."
Whoa! That expansion thing they mention sounds awesome! So you, like, can get new content and features to the base game with these ekx.. epx... expansions, not having to wait for a sequel?
I recall when over 10 years ago I was playing this game "Starcraft", thinking how cool it would be if it continued the story of the Queen of Blades and introduce some new units like Terran medics or Valkyries. But no, since we didn't have these "expandion packs" back then, we couldn't have that. We had to wait until Starcraft 2 instead, playing nothing in between.
/sarcasm