These are indeed very nice. I've always wondered why something like that didn't happen earlier, even if they had to use regular monitors. Such a display frees up the gate agents to do their thing, rather than keep answering repetitive questions, "Which rows are you calling?", "Has the standy list cleared.", "Do I have a window seat?", etc.

Once the glithces are rolled out, I hope Delta deploys them quickly throughout the system.