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7th Brain Weekly - #3

7th Brain Weekly covers AI and Personal Knowledge Management (PKM). Each issue features insights on AI tools, PKM workflows, trends, and practical tips, along with curated news and resources.

7th Brain Weekly - #3

Happy Friday (or whichever day you happen to read this)! There was no shortage of new updates and exciting releases to cover this week.

A small announcement before we delve into the news:

If you missed it, I've launched a sister newsletter called Tana Tuesdays that will be sent out, you guessed it, on Tuesdays. A large percentage of my readers are Tana users or Tana-curious and in order to best serve everyone I'm going to split off Tana specific content into that newsletter. If you want to follow along you can add Tana Tuesdays in your account portal for free. I've also released my ✅ Super Simple Task Template to celebrate.

Alright, back to the important news.

Big Stuff

This week has been all about AI search. We got big releases from 3 major players in this area, with Google and OpenAI both releasing Perplexity competitors and Perplexity rolling out some new features:

These improvements come as an effort to battle hallucinations so common in LLMs and in a move to topple Google's control over real time relevant results.

Anthropic News

The creators of Claude released some big features and improvements on what feels like every day this week. As I'm typing this they've just announced visual PDF support which should be a major boon for knowledge workers, especially anyone working with complicated documents with charts and diagrams.

Other announcements include:

This Week's Article

My focus this week was on all things voice, and I wasn't alone. During the Tana Office Hours last Thursday - the hosts were joined by CEO Tarjei M. Vassbotn who mentioned that they believe AI + Voice is the new UX and they will be putting a heavy focus on voice interaction.

I happen to agree and I discussed the importance of AI and voice in this week's article:

AI + Voice: The UX of the Future?
Speech is how our brains are wired to process thoughts. Voice-first systems align with this natural flow, making knowledge work faster and more intuitive. The question isn’t if voice becomes our primary interface, but how quickly we adapt.

Multiple companies also made updates to their voice functionalities including OpenAI who brought Advanced Voice Mode to their desktop apps, as well as Realtime API improvements like prompt caching, new voices and more.

Tip of the Week

Our first tip comes from Ethan Mollick on X. Instead of having AI explain to your children, ask AI how you can explain it to them. I love this twist that helps maintain that human connection.

The second tip comes from me after seeing a recurring theme around social media this week:

Just write stuff.

Here are some sources of inspiration:

News and Interesting Finds

  • In what might be relevant to many readers, popular llm ranking site lmarena.ai has added a new category: Creative Writing Arena. You can see below how the different models stack up.

App and Plugin Updates


Thanks for reading! If you’ve found this useful, feel free to share with a friend. As always, if you have any suggestions or requests, reach out and let me know what you have in mind!