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.

22 December 2025

This week's additions focus on mindset, strategy, and leadership, with new digests from Lenny's Podcast Product Career Growth, Starter Story, and TK Kader. Highlights include Comfort at work is always a mistake — intensity is non-negotiable. Five failed products with zero revenue became the foundation for success

Showing 37 digests for 22 December 2025.

Management

YouTube

Fire from strength, not relief: managing people out well

Cameron Herold December 24, 2025


Management 9
Hiring & recruitment 7
Long-term planning 5
  • Relief when someone quits means you waited too long.
  • Managers typically survive only two doublings of revenue before the role outgrows them.
  • Let the team interview and pick their new boss to eliminate resistance.

Productivity & habits

Podcast

Journaling and saying no: Michael Bungay Stanier's practical systems

How I Work December 24, 2025


Productivity & habits 9
Time management 8
Goal setting 6
  • Four daily questions that replace 40 years of failed journaling attempts
  • A five-criteria filter that makes saying no structural, not emotional
  • Two words for the year beats one — they need to be in tension

Case studies

Podcast

How Colossal Biosciences resurrected the dire wolf using ancient DNA

Masters of Scale December 23, 2025


Case studies 10
Business models 8
Fundraising & VC 6
  • Ancient DNA from a 72,000-year-old skull made real dire wolf puppies.
  • Spin-out companies, not de-extinction products, fund the science.
  • Artificial wombs could save the northern white rhino — and reshape IVF.

AI strategy & adoption

YouTube

Gemini vs ChatGPT: build a platform-agnostic marketing operation

Neil Patel December 23, 2025


AI strategy & adoption 9
Content marketing 7
AI tools & automation 6
  • Google's data, hardware, and ecosystem mean it can subsidise Gemini indefinitely
  • Your AI tool choices are infrastructure bets — wrong ones have real switching costs
  • Use Gemini and ChatGPT together strategically; document workflows model-agnostically

Processes & SOPs

YouTube

Scaling Requires Systems Thinking, Not Blame or Individual Fixes

Cameron Herold December 23, 2025


Processes & SOPs 9
Management 7
  • People don't fail — missing or broken systems do.
  • Ask what breaks if the business grows 10x next month.
  • Got Junk ran the 10x drill; Oprah hit weeks later.

AI tools & automation

YouTube

11 AI tools worth using after testing over 100

Silicon Valley Girl December 23, 2025


AI tools & automation 9
Automation & tools 6
  • Free tiers cover most needs — upgrade only when you hit a ceiling
  • Agentic browsers can buy, book, and manage your calendar autonomously
  • Connecting tools multiplies output — no single tool works alone

Management

YouTube

How to Lead Like the Top 1%

Dan Martell December 23, 2025


Management 9
Processes & SOPs 7

Prompt engineering

YouTube

Seven official Claude prompting rules most users ignore

Dylan Davis December 23, 2025


Prompt engineering 10
Feature prioritisation 5
  • Vague prompts default to average; specificity escapes the model's gravitational pull
  • Explaining why you're asking lets the model infer what you didn't say
  • Anthropic's research meta-prompt is night-and-day better than standard queries

Fundraising & VC

Podcast

TinySeed 2025 state of the fund: seven years, 210+ companies

Startups For the Rest of Us December 23, 2025


Fundraising & VC 8
Case studies 7
Business models 6
  • TinySeed returned fund one — proof the bootstrapper VC model works.
  • AI-first startups showing dangerous churn; vibe-coded products flagged as ticking time bombs.
  • Vertical SaaS consistently outperforms horizontal across the portfolio.

Founder interviews

YouTube

How a 26-year-old raised $108M by solving an urgent problem

EO December 23, 2025


Founder interviews 9
Product-market fit 8
Pivoting 7
  • They killed a product customers liked because urgency was missing
  • A public playground closed deals with trillion-dollar enterprises
  • Investor fit matters more than firm brand — pick the partner, not the logo

AI strategy & adoption

YouTube

AI, deepfakes, and social media strategy for entrepreneurs

GaryVee December 23, 2025


AI strategy & adoption 8
Social media 7
Resilience & grit 5
  • No video on the internet will be believable within 36–48 months.
  • You won't lose to AI — you'll lose to someone using AI better.
  • A first-time poster can now outperform a 10-million-follower account.

Productivity & habits

Podcast

Stop waiting: turn Stoic words into daily works

The Daily Stoic December 23, 2025


Productivity & habits 9
Identity & self-belief 7
Resilience & grit 6
  • Procrastination adds interest — it never makes the hard thing easier.
  • Reading Stoicism without changing behaviour makes you a sophist.
  • Marcus Aurelius was still fighting the same battles late in life.

Productivity & habits

Podcast

Why most New Year's resolutions fail and what to do instead

The Daily Stoic December 23, 2025


Productivity & habits 9
Resilience & grit 5
  • Targeting the behaviour, not its function, is why resolutions collapse
  • Resolutions driven by shame and fear are structurally doomed to fail
  • Five-minute daily minimums beat ambitious plans you never start

Mental health & wellbeing

YouTube

Arthur Brooks on meaning, suffering, and the right-hemisphere life

Tim Ferriss December 23, 2025


Mental health & wellbeing 8
Physical & cognitive performance 7
Relationships & family 6
  • Meaning has three macronutrients: coherence, purpose, and significance
  • Modern life traps us in the left hemisphere — away from meaning
  • Suffering avoided is meaning lost; lean into it to find both

Resilience & grit

YouTube

David Choe on Art, Addiction, and Channeling Shame into Creative Power

Andrew Huberman December 22, 2025


Resilience & grit 9
Founder interviews 8
Identity & self-belief 7
  • Shame is a drug — and every addiction is ultimately gambling addiction.
  • The Facebook equity bet paid off; the gambling winnings didn't.
  • Recovery only started when enough people cared to make him care about himself.

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