I-frames obviously

One thing that I think makes AI a possibility to deviate from that S model is that it can be honed against itself to magnify improvements. The better it gets the better the next gen can get.

It would explain why he needed the orb of time so bad.

I think they've been hinting that it transports since no bodies are visible in the debris, but a decent amount of organic material, like the wooden spear shaft, has survived.

"A boulevard is a type of broad avenue planted with rows of trees. " - Wikipedia