If you just mean that major Telecom companies are hyping this in their advertisements, well duh. But for technical folks, I've only heard them raving about the

If you just mean that major Telecom companies are hyping this in their advertisements, well duh. But for technical folks, I've only heard them raving about the techniques being used being insane, and they indeed seem pretty fantastic to me. That this is only (!) increasing bandwidth and lowering latency by an order of magnitude is true, but less important. Similar things can be said about the insane techniques that have been used to increase processor power each order of magnitude.