"Most of it, to be honest," she says. "Although I must admit that my personal interest and professional interests diverge somewhat. As you may or may not know, Aperture has... fallen on hard times, lately, and though our minds have not deteriorated, our resources have." GLaDOS blinks, even though she clearly doesn't need to. "I can provide you with public reports of our more successful projects, if you'd like. As for my personal interest in your research, I believe it was your older cybernetics development that originally caught my eye, so to speak. I myself have little practical need for the gadgets you're known for, but the more ambitious projects were very good reads."