Is It a Cost Thing?

The longer a cable is, the more your light's going to get mixed up and bounce around too much for the data to be readable. And so as a result, yeah, we go to single mode. So if you're in a data center or in a summer like an equinex facility where you've got some space in a rack and you're connecting to somebody else, typically you're going to use single mode at that point because it's going to go further than just your room. But again, that's more something for another day.