The Signal with Sarah Cook

What the EU AI Act, Claude’s new watermarks, and Instagram’s “AI info” labels mean for your marketing In this episode, I cover: What the EU AI Act actually requires from AI companies and content creators How Claude’s invisible text watermarks work Why Canva content may trigger an “AI info” label on Instagram How Instagram, TikTok, YouTube, and Substack are handling AI content What these changes me...

The mental loops practitioners fall into around using AI, and what that hesitation actually costs in visibility and client inquiries. In this episode: Why I stopped mid-draft on this article The pattern behind unposted captions and drafts Three client results that came from publishing Writing an AI disclosure you feel good about The Signal is the audio companion to Sarah Cook's Substack for solo h...

Substack rolled out an AI detection tool called Pangram, and I break down what it does, who can see it, and why an AI score shouldn't scare wellness practitioners away from using AI. In this episode: What Substack's new Pangram tool actually does Who can run a scan, and when The gray area between AI and human writing Why an AI score can create fear How I use AI and still score human The Signal is...

A look at how I use AI for content creation, from a dictated idea in a comfy chair to a finished draft that still sounds like me. In this episode: The four steps behind AI content that gets you clients Giving AI the context it runs on Organizing your AI into separate studios Teaching AI your process with Skills Why dictation beats typing for your voice The Signal is the audio companion to Sarah Co...

A walkthrough of what Claude and ChatGPT Skills are, and why building your own library of them matters more than chasing AI agents right now. In this episode: What a Skill actually is Why Custom GPTs never cut it Where Skills sit on the Ascension Ladder Why agents run on generic without Skills Real Skills built for wellness practitioners Mentioned resources: AI Marketing Masterclass The Signal is...

A study by the marketing agency iPullRank found that emails sitting in someone’s Gmail changed which brands Google’s AI recommended to that same person, moving brand recommendations from 23.9% to 66.8%. The emails didn’t even need to be opened. In this episode: The study that tracked inbox influence How Google's Personal Intelligence works Why trust categories are harder to shift What your email l...

Your Future Is Not In Borrowing Your Coach’s AI Tool. Your Future is in Building Your Own. The case for building your own AI system and what changes when you start from your voice. In this episode: What a custom GPT is 3 Problems With Relying On Your Coach’s Custom GPT What to do instead of borrowing someone else's AI tool The Signal is the audio companion to Sarah Cook's Substack for solo health...

Mining Your Knowledge Base for a Hundred Content Ideas A practical walkthrough of how to turn the clinical expertise and program material you've already built into a reusable bank of content ideas, so you're never scrambling for what to post. In this episode: How to gather your existing knowledge base into one place Why you should ask AI for an inventory before generating ideas How to filter conte...

Microsoft just opened Copilot Health to the public, joining a wave of AI tools helping people make sense of their own health data. I walk through what that means for the messaging practitioners have leaned on for years, and the three lines worth retiring now. In this episode: What Copilot Health actually does The other major AI health platforms already live 3 practitioner messaging points that no...

What OpenAI's Super App Plans Mean for Your Practice OpenAI is merging ChatGPT and Codex into one app with agents, image tools, and third-party integrations, and the biggest question for practitioners is whether it changes how they create content. In this episode: What we know about the ChatGPT super app so far What's still unclear about pricing, access, and usability The one feature Sarah is watc...

The File Format Your AI Actually Prefers A walkthrough of why markdown files give AI cleaner, faster access to your content, and two simple ways to start using them today. In this episode: What a markdown file is and why it matters now Why AI reads markdown more efficiently than PDFs or Word docs Two easy ways to convert any document to .md Where markdown shows up inside Claude and Cowork Google's...

This episode covers the 15 copywriting pearls that will make people obsessed with your content. In this episode: * Why AI drafts sound like everyone else * The one rule from Strunk and White * Giving your writing rhythm and white space * Dropping readers into a real Tuesday afternoon * The small words that make copy land Read the Article on Substack HERE . The Signal is the audio companion to Sara...

I just finished watching a webinar with Neil Patel and his team at NP Digital. These are my takeaways and what I think this means for solo practitioners and small clinic owners. Full credit to NP Digital. You can find them and book their services here: https://npdigital.com/ In this episode: * Why 60% of Google searches now end without a click * What AI looks for when deciding who to recommend * W...

A new 2026 report shows even big marketing teams are mostly stuck with AI, and why being a solo practitioner is the real advantage right now. In this episode: The 2026 Supermetrics report, explained What 435 big-team marketers actually said Why only 6% have AI built in The solo practitioner's real advantage One small step to take this week The Signal is the audio companion to Sarah Cook's Substack...

A simple map of how Claude actually works, from the chat box to AI agents, so you always know which rung you're on and what your real next step is. In this episode: The seven rungs on the Claude Ascension Ladder, from Chat to AI agents What each rung is actually for How to tell which rung you're on Why this makes the AI pressure and overwhelm dissolve The Signal is the audio companion to Sarah Coo...

Why the Google AI Update Means Clarity Will Win Google just rolled out its biggest Search change in 25 years, and the practitioners who will win it aren't the ones chasing hacks. They're the ones with clear messaging. In this episode: What's already changed in Google Search What's coming to Search this summer The AI search hacks Google says won't work Why clarity always wins over clever tactics On...

How I Built a Content Strategy Hub in Notion with One Claude Prompt This episode walks through the exact setup for a Notion Content Strategy Hub — a single organized space that keeps your messaging pillars, content ideas, past articles, and upcoming promotions in one place Claude can work from every week. In this episode: Why scattered ideas and a stale messaging doc are a structure problem What a...

The old marketing channels aren’t gone, but they’re changing fast and the practitioners who thrive will be the ones who adapt before they have to. In this episode: * How AI is reshaping SEO, email, and social media reach * Why Sarah is adding Substack to her marketing mix * What Substack makes possible that other platforms don’t * Why adaptability matters more than picking the “right” platform The...

This episode is an orientation to this podcast and what got me here. In this episode: * Why outsourcing copy was never really the answer * How to build at the speed of your ideas using AI * What The Signal means and why I named it that The Signal is the audio companion to Sarah Cook's Substack for solo health and wellness practitioners navigating messaging, marketing, and AI. Subscribe to catch ev...

Hi 👋🏽 I’m Sarah. Here to help holistic health and wellness practitioners message their magic and amplify their marketing with AI. Without outsourcing or hiring a team. Creator of BrandVibe AI. Former ND. 500+ practitioners trained in AI. I created this space to help you: * Craft messaging that connects with your ideal clients * Use AI in an aligned way without losing your voice * Market intuitiv...

I've been watching the channels I've relied on for years (search, email, Instagram) shift underneath me. This episode is about what I'm seeing, why I'm here on Substack, and the question I think every practitioner needs to be asking right now. In this episode: Adapting to a changing marketing landscape "The more AI filters and flattens how content gets shared, the more people need to actually hear...