Of course, you could just save the money it would cost to stay at the Marriot. You could stay in your apartment and browse wikipedia for three days. You'd come away with the same information as if you'd been "bioimmersed," and have a bonus dose of knowledge about platypusses, Aztec art, sleepwalking ethics, and whatever else distracted you during that time.
But don't let me keep you from attending. After all, when you immerse yourself in water, you usually do blow out your nose to seal it.