Top 1% Data Literacy - Super-Gap Customer Analysis and Marketing Automation Framework Using Only Excel

Shh! 🤫 A special benefit available only to Inflearn students!

What level am I, really?

LV.1 NOPE ➡LV.2 FAKE➡LV.3 CTRL➡LV.4 BOSS

Diagnose your exact 'Office Worker AI Level' right now, and

customized lectures that perfectly fit my type

Get it at 50% off until May 31st! 🎁

Discount Target: All Inflearn students

Discount Amount: 50% off the regular price of each course

Discount Method: Click each coupon link for each lecture below to instantly receive your discount coupon.

Discount Period: Tuesday, May 26, 2026 ~ Sunday, May 31, 23:59 (Only for 6 days)

🪨 LV.1 [NOPE] — Still doing manual copy-paste work 🐮

I understand what AI is, but I feel overwhelmed and don't know where to start when it comes to actually using it.

You must be an analog craftsman who feels like every day is too short because of Googling and copy-paste manual labor!

💊 Recommended Prescription Lectures:

-(2026 Edition) How to Use ChatGPT, Generative AI Prompt Engineering A to Z 👉[Get 50% Coupon]

-ChatGPT Latest Model Prompt Engineering Bible  👉 [Get 50% Coupon]

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🐒 LV.2 [FAKE] — I have GPT open, but I end up writing it all myself🐴

You've coolly completed the paid subscription just like everyone else!

But in reality, you aren't able to delegate tasks to AI properly.

The draft is generated quickly, but there is so much to fix that you are the type who ends up rewriting everything yourself.

💊 Recommended Prescription Lecture:

-(2026 Edition) Advanced ChatGPT Usage – A Masterclass on Using ChatGPT 100 Times Better Than Others

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- Master Knowledge Management with NotebookLM, the Ultimate No-Code RAG 👉[Get 50% Coupon]

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🧑‍💼 LV.3 [CTRL] — I'm the only one leaving on time because I use AI✨

Thanks to AI, your work speed has definitely increased, and you are a professional high-performer who stays one step ahead of your colleagues!

However, there is still a thirst for automation or deep research and planning that goes beyond simple utilization,

This is the type that wants to build up to the next level.

💊 Recommended Prescription Lectures:

- Efficient AI Utilization Companies Want: Mastering Excel with AI Structured Prompts👉[Get 50% Coupon]

- Perplexity Deep Research Master: Overwhelming Market Analysis and Dashboard Completion with AI Labs👉[Get 50% Coupon]

📢(Closing 5/31! 50% half-price applies when downloading the coupon)

🤖 LV.4 [BOSS] — Slacking off while the AI does all the work👑

Leave 100% of the work to your AI assistant,

You are a true max-level boss who only lightly reviews the final output!

Saving time and increasing quality, this is the top-tier level that every office worker aspires to.

💊 Recommended Prescription Course:

- Core AI Agent Master: Practical Roadmap from Manus to LangChain👉[Get 50% Coupon]

- The Trend is Vibe Coding: AI Full-Stack Development with Claude Code and TDD👉[Get 50% Coupon]

📢(Ends 5/31! Apply 50% half-price discount when downloading the coupon)

🚨Please be sure to check!

This promotion is a limited-time event running only until 23:59 on Sunday, May 31, 2026.

After the period ends, you will not be able to download the coupon or apply the discount, so click the lecture link above right now to download your coupon and claim your benefits!

⏰Wait a second! The course below is currently offering an early bird discount,

If you apply now, you can get it at the Early Bird Only 30% discount price. ( ~until June 10th)

• AI Marketing to Wake Up Dormant Sales: Full Automation from Commercial Area Analysis to SNS Content

• Overwhelming AI Insight Report: Maximizing Presentation Persuasiveness with AI-Designed Excel Charts