# Second Brains in the AI era: still worth it?

DevFeed: [Second Brains in the AI era: still worth it?](<https://devfeed.tech/articles/second-brains-in-the-ai-era-still-worth-it-40863.md>)

Original publisher: [Read original article](<https://mutto.fyi/posts/2026/09/second-brain-in-ai-era/>)

Published: 2026-09-06T00:00:00Z

Content type: opinion

Language: en

Sources: [Mutt0-ds Notes](<https://devfeed.tech/sources/mutt0-ds-notes.md>)

Topics: [Artificial Intelligence](<https://devfeed.tech/topics/ai.md>), [context](<https://devfeed.tech/topics/context.md>), [AI Agent](<https://devfeed.tech/topics/ai-agent.md>), [Graphs](<https://devfeed.tech/topics/graphs.md>), [Obsidian](<https://devfeed.tech/topics/obsidian-md.md>)

Tags: [ai](<https://devfeed.tech/tags/ai.md>), [ai-agent](<https://devfeed.tech/tags/ai-agent.md>), [context](<https://devfeed.tech/tags/context.md>), [knowledge-graph](<https://devfeed.tech/tags/knowledge-graph.md>), [markdown](<https://devfeed.tech/tags/markdown.md>), [obsidian](<https://devfeed.tech/tags/obsidian.md>)

## AI overview

The article argues that maintaining a personal knowledge base, or "second brain," is more valuable in the AI era because it gives AI assistants structured, connected context. It suggests that linked notes resemble graph memory and can help agents navigate complex information, while large unstructured collections may increase confusion and hallucinations.

## Source excerpt

I've been working on my second brain(s) for years now. Brains, plural, because I had to create new ones, for example when I changed jobs......