It seems there's a new hotline site out there for BungieFen-- hl.forerunners.org. There's also a website at www.forerunners.org that states We are coming again. You thought we were finished. We are coming back, soon, very soon. It doesn't state too much else just yet, but we'll keep an eye on it.

The page features an image of the symbol shown above some of the doors in 343 Guilty Spark and on the backs of some of the Elite Covenant units. In the HTML source, the image is titled the forerunners built this thing....