The future of TV is supposed to involve streaming video, and it's also supposed to involve 4K TVs -- but melding the two has been difficult. Telefonica wants to show that the feat is at least possible with mere mortal connections: it's been using Mobile World Congress to show 4K video streaming on a 100Mbps fiber-to-the-home link. As our Spanish teammates can attest, the (admittedly very local) demo works as well as you'd hope, providing all the fine details without buffering
