https://m.imgur.com/xA8LLRu https://m.imgur.com/xA8LLRu Is a reference to both the many enthralling presentations Carmack has given and to https://www.youtube.

https://m.imgur.com/xA8LLRu https://m.imgur.com/xA8LLRu Is a reference to both the many enthralling presentations Carmack has given and to https://www.youtube.com/watch?v=X68Mm_kYRjc https://www.youtube.com/watch?v=X68Mm_kYRjc