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Seriously playing with AI —
showing you how

First-hand AI tool tests and tips
to work smarter and live better

Penchan 🐧

Official OpenClaw 🦞 Contributor · CS Master's student 🎓
A Taiwan-based AI educator — teaching you to go from "just typing prompts at ChatGPT" to "actually getting AI to do the work"

National Tsing Hua University · National Chung Hsing University · National Taipei University of Technology · Soochow University

Meet Penchan →
Penchan scrolling on a phone 🐧
AI LAB

Popular AI Tool Tests & Workflow Guides

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Explore AI Lab →
RECENT PROJECTS

Penchan's Recent AI Projects

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AI Agent Memory System (2026) | Complete Guide to Short-Term and Long-Term Memory

AI Agent Memory System (2026) | Complete Guide to Short-Term and Long-Term Memory

AI Lab 5/8

Learn why AI Agents forget previous chats, how short-term and long-term memory differ, and where vector databases, RAG, Dify, and Claude Code fit.
AI Lab 5/8

An AI Assistant That Grows With You: How to Make It More Like You Without Letting It Become Someone Else Next Tuesday

A three-month record of building a personal AI assistant that evolves over time, with failed designs, five surviving abstractions, and the open reference architecture.
AI Lab 4/1

How Should an AI Assistant's Memory Be Designed? Starting from the Claude Code Source Leak

A field note on AI memory architecture after rebuilding an assistant overnight: where to place knowledge so the next run naturally reads it.
AI Lab 3/29

Multi-Agent Collaboration Guide: Stop Your AI Team from Working in Silos

Learn five AI agent orchestration patterns for communication, work division, and failure handling, from file blackboards to circuit breakers.
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AI BEGINNER

New to AI?
Start with these 👋

From practical ChatGPT tips to AI presentations and image generation —
curated articles you can apply to your work and life right away 😄

Beginner Guides →
ChatGPT Free Plan Guide (2026) | What Can You Do Without Paying? All Limits Explained

ChatGPT Free Plan Guide (2026) | What Can You Do Without Paying? All Limits Explained

 Gamma vs NotebookLM: Which AI Slide Tool Fits You?

Gamma vs NotebookLM: Which AI Slide Tool Fits You?

 AI Image Prompt Techniques 2026 | Chinese Prompts for Precise Gemini and Midjourney Image Generation

AI Image Prompt Techniques 2026 | Chinese Prompts for Precise Gemini and Midjourney Image Generation
Beginner Guides →
AI RESEARCH & ANALYSIS

AI Industry Analysis

Read the AI Industry Reports →
Mistral AI ownership map: investors, ASML stake, and European sovereign AI backers

Who Owns Mistral AI? Investors, ASML's Stake & Funding Rounds

Market View 6/7

Mistral AI is private, so the full cap table is not public. This guide maps the known investors, ASML's reported stake, Mistral funding rounds, and the compute partnerships behind Europe's sovereign AI champion.
Market View 6/7

Who Owns OpenAI? Investors, Microsoft's Stake & the Nonprofit-for-Profit Structure

OpenAI is not a normal company. The OpenAI Foundation controls governance, OpenAI Group PBC holds the commercial business, and Microsoft, SoftBank, Amazon, NVIDIA, employees, and other investors hold the economics. Here is the clean ownership map.
Market View 6/7

Who Owns Perplexity? Investors, Backers & Funding Rounds

Perplexity has not published a full shareholder list, but official and reported funding data point to NEA, IVP, NVIDIA, Jeff Bezos, Databricks, SoftBank, Accel, and others as major backers. Here is the clean investor map.
Market View 6/7

Who Owns xAI? SpaceXAI Investors, Funding & the SpaceX Merger

xAI is no longer a standalone company. SpaceX acquired xAI in 2026, folding Grok, X, and Colossus into SpaceXAI. This page maps xAI investors, the $20B Series E, NVIDIA and Cisco's role, and how the SpaceX-xAI merger changed ownership.
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