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PsychologyPsychology
How The Stock Insider, a Finance Newsletter, Weaponised Price Psychology

How The Stock Insider, a Finance Newsletter, Weaponised Price Psychology

PLUS: AI Engineering in 76 Minutes

Startup Spells 🪄
Startup Spells 🪄
MarketingMarketing
How Contrast Creates Viral Content: The Secret Behind MrBeast, Apple, and Parasite

How Contrast Creates Viral Content: The Secret Behind MrBeast, Apple, and Parasite

PLUS: LLM “Structured Outputs” are Missing the Point

Startup Spells 🪄
Startup Spells 🪄
SEOSEO
How Starter Story Used TOCs to Triple Time on Page

How Starter Story Used TOCs to Triple Time on Page

PLUS: This 24-Year-Old Used AI to Make $30M in under a year

Startup Spells 🪄
Startup Spells 🪄
Open AIOpen AI
Cursor's $20/Month Pricing Strategy: Sell AI Like a Planet Fitness Membership

Cursor's $20/Month Pricing Strategy: Sell AI Like a Planet Fitness Membership

PLUS: How We Build Effective Agents by Anthropic

Startup Spells 🪄
Startup Spells 🪄
Social MediaSocial Media
X Growth Hack: Piggyback on High-Follower Accounts using Quote-Tweets

X Growth Hack: Piggyback on High-Follower Accounts using Quote-Tweets

PLUS: How to Build an Agent

Startup Spells 🪄
Startup Spells 🪄
Social MediaSocial Media
How PrayScreen, a faith-based Christian app, scaled to $50K MRR in 90 days using TikTok and zero paid ads

How PrayScreen, a faith-based Christian app, scaled to $50K MRR in 90 days using TikTok and zero paid ads

PLUS: GPT 4.1 Prompting Guide by OpenAI

Startup Spells 🪄
Startup Spells 🪄
Social MediaSocial Media
Private Channel Playbook to Beat Social Media Algorithms

Private Channel Playbook to Beat Social Media Algorithms

PLUS: Why Liquid Death Failed in the UK

Startup Spells 🪄
Startup Spells 🪄
MarketingMarketing
Elon Email's Copywriting Genius

Elon Email's Copywriting Genius

PLUS: Make $750 a day 'Vibe Coding' Apps (using Replit, ChatGPT, Upwork)

Startup Spells 🪄
Startup Spells 🪄
Open AIOpen AI
How OpenRouter's LLM Rankings Helps You Pick the Best LLM for Any Job

How OpenRouter's LLM Rankings Helps You Pick the Best LLM for Any Job

PLUS: Cursor Co-Founder Aman Sanger on the Journey from 0-$100M in 12 Months

Startup Spells 🪄
Startup Spells 🪄
Social MediaSocial Media
Fitness Challenge Turns Nobody Into Million-Follower Instagram Creator

Fitness Challenge Turns Nobody Into Million-Follower Instagram Creator

PLUS: Prompt Engineering Whitepaper by Google

Startup Spells 🪄
Startup Spells 🪄
Open AIOpen AI
AI Prompt Compression Slashes LLM Models Costs by 50%

AI Prompt Compression Slashes LLM Models Costs by 50%

PLUS: QWQ could be the BEST local AI model

Startup Spells 🪄
Startup Spells 🪄
MarketingMarketing
Substack Notes: The Incentive-Powered Feedback Loop

Substack Notes: The Incentive-Powered Feedback Loop

PLUS: AI can fix bugs—but can’t find them

Startup Spells 🪄
Startup Spells 🪄
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