10 ChatGPT Use Cases - Practical Tips to Boost Daily Life Efficiency with AI

You installed AI tools but don't know what to ask?

It's okay, everyone's like that at first!

Today I'll introduce 10 real AI use cases people actually use.

I'll include prompts you can follow right away!

1. Email Writing Assistant

Situation

Need to send an apology email to a customer but don't know how to write it.

Prompt

"Write a polite email apologizing to a customer for delayed product delivery.
Alternative delivery is in 3 days, and we'll provide a 10% discount coupon as compensation.
Write concisely under 200 characters."

Result

AI creates a polite yet concise apology email draft.

You just need to edit names and details and it's ready to send!

2. Meeting Minutes Summarization

Situation

Have a 1-hour meeting transcript, want to quickly grasp the key points.

Prompt

"Summarize the following meeting minutes into 3 key points and action items:

[Paste entire meeting minutes]
"

Result

What would take 30 minutes done in 30 seconds!

3. Travel Itinerary Planning

Situation

Going to Jeju Island for 2 nights 3 days, but clueless how to plan the itinerary.

Prompt

"A couple in their 30s is going to Jeju Island for 2 nights 3 days.
Have a rental car, budget is 500,000 won.
Like nature scenery and good restaurants.
Create a detailed itinerary by time slot."

Result

Daily schedule, travel times, recommended restaurants—perfect travel plan emerges!

Works perfectly with Google Maps.

4. Study Helper

Situation

Quantum mechanics concepts are too hard to understand.

Prompt

"Explain the 'superposition' concept in quantum mechanics so middle schoolers can understand.
Use everyday life examples."

Result

Explains much easier and more interestingly than textbooks.

Analogies like "Schrödinger's cat" make it click!

5. Recipe Recommendations

Situation

Wondering what to cook with ingredients in the fridge.

Prompt

"I have 3 eggs, 1 onion, 1 carrot, and ham in my fridge.
Recommend 3 dishes I can make in 30 minutes with these ingredients.
Provide step-by-step recipes for each dish."

Result

Gives immediately cookable recipes like omelets, fried rice, scrambled eggs!

6. Cover Letter Writing

Situation

Need to write a job application cover letter but stuck on how to start.

Prompt

"I'm a new graduate applying for a marketing position.
In college, I was president of an SNS marketing club and grew followers from 1,000 to 5,000 in 3 months.
Based on this experience, write the 'Application Motivation' section in 200 characters."

Result

Get a cover letter draft that effectively showcases your experience.

Add your personality to complete it!

7. Translation and Proofreading

Situation

Need to send an English email but not confident about grammar.

Prompt

"Make this English sentence more natural:

I am writing to you for asking about the meeting schedule.
"

Result

"I am writing to inquire about the meeting schedule."

Corrects to natural, formal expressions!

8. Idea Brainstorming

Situation

Want to start a YouTube channel but can't decide on a name.

Prompt

"Recommend 10 YouTube channel names for daily vlogs.
Want to convey 'warm', 'daily', 'small moments' feelings.
Mixed English and Korean names are good too."

Result

• Small Daily Moments (Soso Day)
• Warm Daily Records
• Daily Warmth
• Soso Diary

Get 10 ideas in seconds!

9. Coding Help

Situation

Stuck because Excel formula isn't working.

Prompt

"In Excel, I want to find a name in column A from a list in column B,
and retrieve the corresponding value from column C of that row.
What function should I use? Explain with examples."

Result

Explains VLOOKUP function with actual usage examples.

Just copy-paste and apply immediately!

10. Routine Creation

Situation

Want to build healthy lifestyle habits but don't know how to start.

Prompt

"Create a morning routine for office workers.
Doable within 1 hour after waking up, include exercise, reading, breakfast.
Tell me the steps divided by time slots."

Result

6:00 Wake → 6:10 Stretch → 6:30 Read → 7:00 Breakfast

Get a perfect follow-along routine!

💡 3 AI Usage Tips

1. Be Specific in Requests

• ❌ "Plan a trip"
• ✅ "Couple in 30s, Jeju 2 nights 3 days, budget 500,000 won, like nature, time-slotted itinerary"

The more specific, the better the results!

2. Use as Drafts

Don't use what AI makes as-is—polish it in your style.

• Cover letter → Add personality
• Email → Edit names/dates
• Recipe → Adjust to taste

3. Ask Repeatedly

If the first answer isn't satisfactory, ask again.

"Explain more simply"
"Give 3 more examples"
"Rewrite in a more formal tone this time"

AI can be revised infinitely!

Recommended Uses by Field

If you're a student?

• ✅ Request concept explanations for studying
• ✅ Assignment outline writing
• ✅ English grammar correction

If you're an office worker?

• ✅ Email draft writing
• ✅ Meeting minutes summarization
• ✅ Presentation structure planning

For hobbies?

• ✅ Recipe recommendations
• ✅ Travel itinerary planning
• ✅ Exercise routine creation

Important Warnings

Never Enter Personal Information

• ❌ Social security numbers, account numbers
• ❌ Company confidential documents
• ❌ Others' personal information

Conversations with AI may be used for training data!

Fact-Checking is Essential

Always verify statistics, historical facts, medical information.

AI sometimes makes plausible lies.

Next Steps?

Now that you've seen AI use cases, aren't you curious about how AI will change our lives in the future?

In the next article, let's imagine future life with AI together.

How will our daily lives be different in 5 or 10 years?

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Next Article Preview: 📌 How AI Will Change My Life - Imagining the Future