What's New

See the latest Trusted Library digests, grouped by the week they were added.

What's New

See the latest Trusted Library digests, grouped by the week they were added.

8 December 2025

This week's additions focus on mindset, strategy, and marketing, with new digests from Matthew Volkwyn, Starter Story, and Founders. Highlights include Customer acquisition costs have risen 3–5x, making email copy far less valuable No coding knowledge needed — AI tools can ship a real App Store product.

Showing 52 digests for 8 December 2025.

Physical health & longevity

YouTube

How to build and maintain a healthy gut microbiome

Andrew Huberman December 11, 2025


Physical health & longevity 8
  • Fermented foods measurably reduce systemic inflammation within six weeks
  • A depleted microbiome may not recover from diet alone — microbes must be reintroduced
  • Artificial sweeteners and emulsifiers directly damage gut barrier and diversity

Copywriting

YouTube

Copywriting strategy: three frameworks for thinking beyond the copy

Matthew Volkwyn December 11, 2025


Copywriting 9
Business models 7
Prospecting & outreach 6
  • 40% of a promotion's success is audience, 40% offer — only 20% copy
  • Three ways to grow any business: more buyers, higher spend, more often
  • Get good first — cold outreach becomes unnecessary when the right people see your work

Work-life balance

YouTube

Why achievement without alignment leads to burnout

Brendon Burchard December 11, 2025


Work-life balance 9
Productivity & habits 7
Management 5
  • Personality traits matter far less than habits for long-term success
  • Focusing only on strengths can mask the weaknesses that hold you back
  • Achievement without alignment with health and relationships leads to burnout

Founder interviews

YouTube

How Miro's CEO builds an $18B company in the AI era

Silicon Valley Girl December 11, 2025


Founder interviews 10
Product-market fit 8
AI strategy & adoption 7
  • Plan in 6-month windows — 12 months is now the ceiling
  • AI commoditises building; brand trust becomes the real moat
  • Team-level AI throughput beats individual productivity gains

MVP & prototyping

YouTube

$10K/month from 28 apps: a portfolio betting strategy for indie devs

Starter Story December 11, 2025


MVP & prototyping 9
Growth hacking 8
Automation & tools 6
  • Ship dozens of single-feature apps fast; let the market pick winners.
  • Target App Store keywords with 20% popularity, 60–70% difficulty, verified competitor revenue.
  • Reuse 90% of code across apps; total infra costs under $300/month.

AI tools & automation

YouTube

Fix AI document formatting with Claude skills and projects

Dylan Davis December 11, 2025


AI tools & automation 9
Automation & tools 6
  • Claude reverse-engineers your template design into a reusable skill.
  • One added line in a project prompt produces pixel-perfect document output.
  • Skills are portable — the same formatting rules work in ChatGPT and Gemini.

Long-term planning

YouTube

How to scale a startup from feature to business

EO December 11, 2025


Long-term planning 9
Product-market fit 7
Retention & loyalty 6
  • If existing customers aren't paying you more, you're only hunting.
  • Product-market fit breaks at every revenue threshold — plan ahead.
  • Inertia, not competitors, is your biggest enemy inside and outside.

Copywriting

YouTube

Two words that cut through marketing noise: "shouldn't" and "won't"

StoryBrand With Donald Miller December 11, 2025


Copywriting 9
Pricing psychology 5
  • Customers are 2.5× more likely to act when messaging frames a loss avoided
  • "Shouldn't" names the injustice; "won't" promises the relief — one sentence
  • Repeat the same words across every touchpoint: the brain needs 5–7 exposures

Resilience & grit

YouTube

Tea with GaryVee 97: AI’s Impact on 9–5, Escaping a Job You Hate & Fixing Your Mindset

GaryVee December 11, 2025


Resilience & grit 9
Content marketing 8
Communication 6

Resilience & grit

Podcast

Tying yourself to the mast: commitment devices and Stoic resilience

The Daily Stoic December 11, 2025


Resilience & grit 9
Identity & self-belief 6
Mental health & wellbeing 6
  • Odysseus succeeded by designing constraints, not relying on willpower
  • Stoic optimism lives in continued action, not positive thinking
  • Viktor Frankl's logotherapy is explicitly rooted in Stoic philosophy

Founder interviews

Podcast

Bootstrapping vs. investment and channel strategy: founder advice from Ring and Boll & Branch

How I Built This with Guy Raz December 11, 2025


Founder interviews 9
Pivoting 8
Bootstrapping 7
  • Taking the first investor dollar changes your business, no matter the amount.
  • UV clothing's real competitor is sunscreen — sell it in that aisle.
  • Colorful binoculars need social integration, not just outdoor-channel distribution.

Identity & self-belief

Podcast

Camila Cabello on redefining success through stoicism

The Daily Stoic December 11, 2025


Identity & self-belief 9
Resilience & grit 6
  • Tying success to views and awards guarantees lifelong unhappiness
  • Ego shows up in creative insecurity, not just arrogance
  • An internal scoreboard built on honesty beats external validation

Competitive analysis

YouTube

You don't need an original idea to win in business

Joanna Wiebe December 11, 2025


Competitive analysis 9
Branding 8
  • Pioneers fund the market; settlers — like Google — capture the value.
  • TikTok copied Vine and won purely on a superior algorithm.
  • Liquid Death built a $1.4B brand selling water with attitude alone.

Branding

YouTube

How contextual adjacency signals premium positioning to clients

KeyPersonOfInfluence December 11, 2025


Branding 10
Pricing psychology 7
Niche selection 6
  • Buyers judge your price by what they see around you, not you alone.
  • Rolls-Royce sold more cars by exhibiting at boat shows, not car shows.
  • Screening clients and building community signals niche-market premium status.

Case studies

YouTube

How Hightouch scaled to a $1.2B startup in five years

The Science of Scaling December 11, 2025


Case studies 9
Product-market fit 7
Enterprise sales 6
  • Data warehouse syncing turns raw customer data into real-time personalisation
  • Solutioning engineers do deep design work before a deal is ever signed
  • Average contract value has grown to ~$1M as AI decisioning drives adoption

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