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Changelog

Staying current is the product.

AI interfaces change by the month; most guides online are stale and abandoned. Every lesson carries a last verified date and a freshness window. This page shows what we re-checked, what's due, and how fresh each column is.

Maintenance queue

43 overdue
▲AI-01What a Language Model Actually Does92 days · past 60d window
▲AI-02How to Use Claude, Step by Step92 days · past 60d window
▲AI-03How to Use ChatGPT, Step by Step92 days · past 60d window
▲AI-04The Anatomy of a Prompt92 days · past 60d window
▲AI-06Studying With AI: Feynman, Mock Exams, Error Hunting92 days · past 60d window
▲AI-07Hallucination Hunting: A Protocol for Verifying Output92 days · past 60d window
▲AI-10Build Your Own Assistant: Projects and Custom GPTs92 days · past 60d window
▲TC-03The Terminal: Your First 20 Commands and Why It Still Matters92 days · past 90d window
▲TC-04Python From Zero: The First 10 Concepts92 days · past 90d window
▲TC-06Git and GitHub: Version Control and Why Undo Is Non-Negotiable92 days · past 90d window
▲TC-07What an API Is and How to Call One92 days · past 90d window
▲TC-11Security Basics: Password Manager, 2FA, and the Anatomy of Phishing92 days · past 90d window
▲TL-01Spreadsheets From Zero: Formula Logic and Your First 15 Functions92 days · past 90d window
▲TL-02Spreadsheets, Level Two: XLOOKUP, Pivot Tables, Conditional Formatting92 days · past 90d window
▲TL-07A Calendar and Task System You'll Actually Keep92 days · past 90d window
▲TL-10Automation: Killing Repetitive Work with Zapier, Make or n8n92 days · past 90d window
▲AI-05Which Model for Which Job? A Comparison You Can Actually Use91 days · past 60d window
▲AI-08Working With Long Documents: Interrogate, Don't Summarize91 days · past 60d window
▲AI-09Working With Data: Upload a Spreadsheet, Get Real Analysis91 days · past 60d window
▲AI-11Image Generation: Prompt Language, References, Consistency91 days · past 60d window
▲AI-12Video and Voice: Script → Clip → Voiceover91 days · past 60d window
▲AI-13Build Your First Tool Without Knowing How to Code91 days · past 60d window
▲AI-14AI Agents and Automation Chains91 days · past 60d window
▲AI-15Calling AI From Your Own Code: The API, Explained Properly91 days · past 60d window
▲AI-16Running a Model Locally: Privacy, Cost, Limits91 days · past 60d window
▲AI-17AI Ethics and Your School's Policy: Where Learning Ends and Cheating Starts91 days · past 60d window
▲AI-18Getting Paid for AI Skills: Portfolio, Freelance, Packaging a Service91 days · past 60d window
▲TC-01What a Computer Actually Does: CPU, RAM, Disk, OS91 days · past 90d window
▲TC-02How the Internet Works: DNS, HTTP, Servers, Browsers91 days · past 90d window
▲TC-05Your First Real Script: Automate Something You Do by Hand91 days · past 90d window
▲TC-08Databases and SQL: Your First 8 Queries91 days · past 90d window
▲TC-09Your First Page With HTML and CSS91 days · past 90d window
▲TC-10Ship Your Own Site: Domain, Hosting, Deploy91 days · past 90d window
▲TC-12The Limits of AI-Written Code: How Far You Can Trust It91 days · past 90d window
▲TC-13Building a Project End to End: Idea to Live91 days · past 90d window
▲TL-03Cleaning Messy Data Into Something Usable91 days · past 90d window
▲TL-04Spreadsheets, Level Three: Dynamic Arrays, Power Query, Dashboards91 days · past 90d window
▲TL-05Building a Personal System in Notion91 days · past 90d window
▲TL-06Note-Taking: Collect Connections, Not Notes91 days · past 90d window
▲TL-08Keyboard Shortcuts: Buying Back Three Hours a Week91 days · past 90d window
▲TL-09File Architecture, Naming and Backups91 days · past 90d window
▲TL-11Google Workspace Properly: Forms, Apps Script, Sharing Logic91 days · past 90d window
▲TL-12Design Tools: Canva and Figma Basics91 days · past 90d window

Freshness by column

ColumnLessonsAvg ageWindowStatus
I Using AI1891d60d18 due
II Money, Investing & the Economy1591d180dcurrent
III Social Intelligence & Relationships2292d365dcurrent
IV Presenting & Persuasion1191d365dcurrent
V Digital Productivity & Tools1291d90d12 due
VI Technical Foundations1391d90d13 due
VII Data & Analytical Thinking1291d365dcurrent
VIII Career & Work1291d365dcurrent
IX Learning System991d365dcurrent
X Neuroplasticity & the Brain1277d365dcurrent

Recently verified

●NP-01What Neuroplasticity Actually Is: How Experience Rewires the Brain8 Aug 2026
●NP-02The Neuron and the Synapse: The Physical Unit of Change8 Aug 2026
●NP-03"Neurons That Fire Together Wire Together": Hebbian Learning8 Aug 2026
●NP-04Critical Periods vs. Lifelong Plasticity: What Changes, and When8 Aug 2026
●NP-05Habits as Wiring: The Cue–Routine–Reward Loop, Neurally8 Aug 2026
●NP-06Sleep and Memory Consolidation: Where Learning Is Made Permanent8 Aug 2026
●NP-07Exercise, BDNF and the Plastic Brain8 Aug 2026
●NP-08Attention Gates Plasticity: Why Focus Decides What Sticks8 Aug 2026
●NP-09Breaking a Habit: Extinction, Replacement and Self-Directed Change8 Aug 2026
●NP-10Recovery and Rehabilitation: Plasticity After Injury8 Aug 2026
●NP-11The Myths: Left/Right Brain, "10% of Your Brain," "Fixed After 25"8 Aug 2026
●NP-12Design Your Own Rewiring Project: A 30-Day Plasticity Plan8 Aug 2026