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.
Finding hidden growth opportunities: lessons from Duolingo, Grammarly, and Chess.com
Lenny's Podcast Product Career Growth
October 5, 2025
Growth hacking
10
Iteration & feedback loops
8
Hiring & recruitment
6
Showing free users a taste of paid features nearly doubled Grammarly's upgrade rates.
One Chess.com insight about post-win behaviour grew subscriptions 20% and reviews 25%.
High agency and clock speed outperform domain experience when hiring growth teams.
Five-step framework for monetising your intellectual property
Daniel Priestley
October 5, 2025
Business models
9
Prospecting & outreach
8
Funnels
6
Your past results are already a product — you just haven't named them.
People notice you only after seeing 11 posts; daily content is non-negotiable.
Calculate allowable cost per lead before spending a dollar on ads.
Thomas Peterffy: How an immigrant built a $120 billion automated brokerage
Founders
October 5, 2025
Origin stories
10
Bootstrapping
6
Automating everything gave Interactive Brokers 71% profit margins.
Peterffy hacked data feeds and built the first handheld trading computer.
Refused Goldman's $900M offer; built to $120B instead.
Go-to-market strategy for AI products: three core principles
TK Kader
October 5, 2025
Business models
9
Growth hacking
7
AI strategy & adoption
6
AI over-promising has tanked trust — your GTM must rebuild it
Remove every signup friction to get users to value instantly
Mature SaaS companies should lead with proof, not AI branding
Resilience & grit
Podcast
Taylor Swift as a stoic: turning obstacles into fuel
The Daily Stoic
October 5, 2025
Resilience & grit
9
Identity & self-belief
7
Losing her masters became the catapult that made Swift a global icon.
Surviving power and fame requires daily active effort, not just good values.
You can perform with a broken heart — discipline only counts when it's hard.
Relationships & family
Podcast
Character and community: wisdom is never built alone
The Daily Stoic
October 5, 2025
Relationships & family
8
Resilience & grit
7
Mental health & wellbeing
5
History's greatest minds grew from scenes and circles, not solitude.
Your community shapes your character — choose the wrong one and you limp.
Character is revealed by hard choices, not claimed in easy times.
Relationships & family
Podcast
Keeping relationships strong when life gets busy
How I Work
October 5, 2025
Relationships & family
8
Work-life balance
5
Relationships compound like assets — neglect them and the returns disappear.
One rule: tell someone something nice the moment you think it.
A monthly 'life dinner' keeps couples aligned without it feeling like a chore.
How loops and groups replace the industrial career arc
KeyPersonOfInfluence
October 5, 2025
Business models
9
Hiring & recruitment
6
Speed and scale of problem-solving now determines income, not tenure.
AI lets you run multiple creative loops — book, business, product — simultaneously.
Skills schools punish — disruption, collaboration — are the highest-paid in the digital economy.
Founder interviews
YouTube
How Cameron Herold built 1-800-GOT-JUNK from $2M to $106M
Cameron Herold
October 4, 2025
Founder interviews
9
Resilience & grit
7
Averaging 62% through school made Herold a better founder than any MBA would
Took 1-800-GOT-JUNK from $2M to $106M in revenue in six years
Good mentors preventing failure beat learning from failure after the fact
AI tools & automation
YouTube
How to earn money and build a business with voice AI
Silicon Valley Girl
October 4, 2025
AI tools & automation
10
MVP & prototyping
6
Prospecting & outreach
6
Deploy voice agents to local SMBs — no coding, immediate income.
Clone your voice and earn passive income via ElevenLabs marketplace.
Why any future security system must assume voices can be faked.
Content marketing
YouTube
How Vasco grew a $1M SaaS to $79K/month using only YouTube
Starter Story
October 4, 2025
Content marketing
10
Growth hacking
7
Niche selection
6
One channel, zero paid marketing: YouTube alone drove $70K MRR.
Multiply output by owning multiple channels with hired Upwork creators.
Extend proven videos with in-feed ads before paying to test unproven ones.
How to disagree with your boss without damaging trust
Dr. Grace Lee
October 4, 2025
Communication
9
Management
8
Resilience & grit
6
C-suite leaders want to be challenged — it's how they make better decisions.
Avoiding, hedging, or blunt contradiction all undermine your credibility.
The PCRA framework turns dissent into a strategic leadership signal.
AI tools & automation
YouTube
Building AI Presentations: Comparing Claude, GPT, Gemini, and Grok
Dylan Davis
October 4, 2025
AI tools & automation
10
Iteration & feedback loops
7
Claude Sonnet 4.5 beats Grok, Gemini, and Opus on visual quality.
Export HTML early; canvas clips content real browsers render correctly.
GitHub Pages hosts finished AI-generated slides publicly in minutes.
Identity & self-belief
Podcast
Integrity, principled compromise, and everyday moral courage
The Daily Stoic
October 4, 2025
Identity & self-belief
8
Resilience & grit
6
A principle isn't real until it costs you something significant.
Rigid fidelity to principle can destroy the very thing it defends.
Most moral courage lives in small daily choices, not grand sacrifice.
AI tools & automation
YouTube
Five solo AI businesses with million-dollar income potential
Dan Martell
October 3, 2025
AI tools & automation
9
Business models
8
Prospecting & outreach
7
Pre-sell before you build — collect cash before writing a line of code
AI inbox managers can unlock $3,000–$5,000 per day for solo operators
Quantify the prospect's own pain; let them calculate their ROI for you