The Biggest Thing in the Universe?

There is a sense that they are going to stick together in the future. That's why you call them a structure. But it might just be, sometimes you get clusters of quasars like sometimes you find a bunch of diamonds and they're not connected to each other. So there's a debate whether they are gravitationally bound or not. And that's hard to resolve. You know, the real way to resolve is to sort of watch it for a billion years and see what happens.