What are some resources (articles, videos) that show off what the current state of the art in AI is? (for a layperson who doesn't know much about AI)

On YouTube (from less to more detailed): Rob Miles, Two Minute Papers, Yannic Kilcher

The Codex demo is pretty stunning for anyone who can program.

The Library tour could impress anyone (even knowing the cherry picking)

Gwern’s curation of robo creativity.

I like watching AlphaZero fight Stockfish. I can only hope to have such a champion IRL.

A useful way to investigate tech things is reading comments on hacker news. 

There can be cynicism, but there is a high signal to noise ratio and senior people often comment.

https://hn.algolia.com/?dateRange=pastYear&page=0&prefix=false&query=ai&sort=byPopularity&type=story

I think a lot can be written about OpenAI.

At the least, their blog is a glimpse of some trends and is professionally communicated:

 https://openai.com/blog/

https://distill.pub/ is a good answer.