Can you come up with ideas for a newsletter?

Can you come up with 5 deeply technical Newsletter ideas that go into much depth for the topic of Input Name ? Please make sure your suggestions are about topics that are relevant to the current market environment and explain in a separate bullet for non-technical people what the ideas mean. Then please make sure to briefly outline why it is relevant and what story line I could write about. Also include what the best sources are to dive deep into research for these topics.