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.

29 September 2025

This week's additions focus on marketing, mindset, and strategy, with new digests from Lenny's Podcast Product Career Growth, Daniel Priestley, and Founders. Highlights include Showing free users a taste of paid features nearly doubled Grammarly's upgrade rates. Your past results are already a product — you just haven't named them.

Showing 53 digests for 29 September 2025.

AI strategy & adoption

YouTube

How Anthropic trains frontier AI: pre-training, scaling, and engineering reality

Y Combinator September 30, 2025


AI strategy & adoption 10
Processes & SOPs 7
  • Scale beats architecture — more compute reliably wins over clever design choices.
  • Silent bugs in a multi-month training run can silently invalidate an entire model.
  • Engineers, not researchers, are the binding constraint at frontier AI labs.

Physical & cognitive performance

YouTube

How technology reshapes the brain and how to use it for faster learning

Andrew Huberman September 29, 2025


Physical & cognitive performance 9
AI tools & automation 7
Deep work & focus 6
  • Using AI to replace cognitive effort quietly erodes lasting learning
  • 40 hours of gaming measurably rewires contrast sensitivity and probabilistic speed
  • Your environment — CO2, sound, temperature — continuously broadcasts your brain state

Case studies

YouTube

Leading through shared humanity across age, ideology, and faith

Coaching for Leaders September 29, 2025


Case studies 10
Outsourcing & delegation 8
Growth hacking 6
  • Unity does not require uniformity — only a shared commitment to the common good.
  • Acknowledging how others feel is the prerequisite for any real relationship.
  • Disagreement sharpens thinking; Ginsburg credited Scalia's dissents for improving her opinions.

Copywriting

YouTube

The three-phase messaging campaign that turns curiosity into customers

StoryBrand With Donald Miller September 29, 2025


Copywriting 10
Closing techniques 6
  • Most businesses skip the curiosity steps that make buyers stop and listen.
  • A real YNAB workshop produced five soundbites that tell a complete story.
  • One sentence closes stalled deals: 'If you struggle with X, buying Y is right.'

Origin stories

Podcast

How Craig Newmark accidentally built Craigslist from an email list

How I Built This with Guy Raz September 29, 2025


Origin stories 10
Business models 7
Delegation 6
  • An accidental email list became one of the internet's most profitable sites
  • Giving up CEO control early was the smartest decision Craig ever made
  • Fewer than 50 employees, hundreds of millions in revenue, zero investors

Productivity & habits

Podcast

Seven stoic lessons on building wisdom day by day

The Daily Stoic September 29, 2025


Productivity & habits 9
Identity & self-belief 5
  • Your social circle and information diet shape who you become.
  • Wisdom is found by asking good questions, not having all answers.
  • Mentorship transfers wisdom faster than solo experience ever can.

Identity & self-belief

Podcast

Character is revealed in small moments, not grand gestures

The Daily Stoic September 29, 2025


Identity & self-belief 9
Resilience & grit 7
  • Small unobserved acts — not grand gestures — define true character.
  • Your actual needs are tiny compared to what you now take for granted.
  • Recognising surplus as surplus turns anxiety into freedom.

Copywriting

YouTube

Finding winning value propositions inside customer testimonials

Joanna Wiebe September 29, 2025


Copywriting 9
Conversion rate optimisation 8
  • Your winning headline may already be written — inside a testimonial.
  • Specific beats clever: one clear benefit doubled clicks at 98.9% confidence.
  • Use "my product is the one that..." to surface the real value prop.

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