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.
Contrarian leadership truths from Rippling's COO-turned-CPO
Lenny's Podcast Product Career Growth
December 28, 2025
Management
9
Hiring & recruitment
7
Business models
5
Comfort at work is always a mistake — intensity is non-negotiable.
Withholding feedback is selfish; escalations from customers are gifts.
"Never quit" is VC propaganda — reset when product-market fit isn't obvious.
Content marketing
YouTube
How Rob Hallam grew a SaaS to $13K/month by building in public on X
Starter Story
December 28, 2025
Content marketing
10
Niche selection
6
Five failed products with zero revenue became the foundation for success
A seven-step system turns authentic vulnerability into predictable audience growth
Video gives 10x reach over text on X right now
How Blackbird AI survived being too early and built a category
TK Kader
December 28, 2025
Case studies
9
B2B sales
7
Niche selection
5
National security contracts kept them alive while the commercial market didn't exist yet.
A 60-page trust pack cut enterprise compliance delays from months to days.
Buyers told them: you're too clever — plain language closed more deals than jargon.
Identity & self-belief
YouTube
Stop seeking approval: your worth is not determined by others
GaryVee
December 28, 2025
You are somebody now — not once others recognise you.
Fear of losing is a learned framework, not your identity.
Regret from not trying outlasts the pain of failure.
Resilience & grit
Podcast
Four Stoic virtues to live better in 2026
The Daily Stoic
December 28, 2025
Resilience & grit
9
Identity & self-belief
8
Productivity & habits
6
Moral courage is the daily requirement — everyone is scared.
One ambitious hard target a year builds the will that carries you.
Wisdom is an information diet, not a trait you either have or don't.
Six-step system to make 2026 your best year
Dan Martell
December 27, 2025
Goal setting
9
Time management
8
Delegation
6
Pick one project — the single unlock that makes everything else possible.
Leverage beats effort: automate, delegate, and stack tasks to multiply output.
Your circle sets your ceiling — audit it and cut ruthlessly.
Five values decision-makers use to assess leadership readiness
Dr. Grace Lee
December 27, 2025
Management
9
Identity & self-belief
6
Your role has an expiry date — are you thinking beyond it?
Perception controls how you allocate resources and kills promotability.
Start building team leverage now, before you have direct reports.
AI tools & automation
YouTube
How to build AI-generated HTML presentations with Claude in five steps
Dylan Davis
December 27, 2025
AI tools & automation
10
Automation & tools
7
HTML slides via Claude unlock animations and visuals PowerPoint can't match.
A saved Claude Project plus system prompt makes every future deck repeatable.
Download after two chat edits; finish refinements locally in Cursor or Claude Code.
Resilience & grit
Podcast
Memento Mori: How death awareness makes you live better
The Daily Stoic
December 27, 2025
Death awareness makes you more present, not more anxious
Obsessing over longevity often strips life of what makes it worth living
Fear doesn't stop death — it stops life
How to start a sales career in the AI era without a degree
The Science of Scaling
December 26, 2025
B2B sales
9
AI tools & automation
8
Identity & self-belief
6
New entrants have the biggest advantage in sales history right now
Reps who build public thought leadership are doing the highest form of selling
Average rep sells 25% of the week — AI can push that to 75%
Building environments where talent can fully thrive
Masters of Scale
December 25, 2025
Culture building
9
Hiring & recruitment
7
Business operating systems
5
Why bureaucracy built for one business silently crushes talent in another
Telling recruits 'count on me' beats selling company prestige every time
A global flavor bank cut failure rates and ignited cross-border competition
Physical & cognitive performance
YouTube
Optimising hormones for health: the six pillars and key interventions
Andrew Huberman
December 25, 2025
Physical & cognitive performance
8
Physical health & longevity
5
Caloric restriction lowers testosterone in lean men, raises it in obese ones
Dutasteride scalp injections block DHT locally without systemic side effects
Smoked marijuana raises aromatase, converting testosterone to estrogen
How great leaders use soundbites to be heard and remembered
StoryBrand With Donald Miller
December 25, 2025
Communication
9
Public speaking
7
Branding
5
Audiences filter on survival cues — everything else gets ignored
Steve Jobs sold 50 million iPods with six words
Repeat the same soundbite far more than feels necessary
Founder interviews
Podcast
Raising Cane's Todd Graves on focus, franchising, and funding
How I Built This with Guy Raz
December 25, 2025
Founder interviews
10
Niche selection
8
Bootstrapping
7
Why Raising Cane's 30-year unchanged menu beats constant innovation
Franchise vs. company-owned: the 85 vs. 95 quality gap that matters
How to raise growth capital without giving up equity or control
Mental health & wellbeing
Podcast
Stoic wisdom, anxiety, and acting in divided times
The Daily Stoic
December 25, 2025
Mental health & wellbeing
9
Relationships & family
7
Jesus and Seneca were born the same year with near-identical teachings.
You are the common variable in every anxiety you experience.
Outrage and awareness are not the same as doing something.