While the high-level ATSC 3.0 announcements left much to be desired, NAB 2023 was host to a number of significant product announcements for the NextGen TV platform. Perhaps most significant is Sinclair’s announcement that it would construct an open data distribution network, to enable broadcasters, and presumably operators, to more efficiently deliver data. This was pitched as being a supplementary IP distribution mechanism, in support of both fixed and wireless options – using the terrestrial broadcast infrastructure. Broadcasting data to end-users, via this one-to-many approach, could be much more energy and bandwidth efficient than the one-to-one approach of IP unicast. Of course, CDNs have become very well versed at offloading unicast traffic to WebRTC where possible, and other forms of…