Injong.com

Claude Opus 4.6 : The AI Finally Ready to Be a Proper Assistant

By IJ | 2026-02-06 05:43

Honestly, I'm not usually the type to get excited about AI model updates. Cheering for "Oh, 0.3% performance improvement!" isn't really my thing—my sensibilities have grown too numb for that. But Claude Op...Honestly, I'm not usually the type to get excited about AI model updates. Cheering for "Oh, 0.3% performa...

The Companies of Tomorrow

The Question That Keeps Me Up at Night AI has become the buzzword du jour, and honestly? It's the topic I find myself diving deepest into these days. The question that keeps gnawing at me is simple yet mas...The Question That Keeps Me Up at Night AI has become the buzzword du jour, and honestly? It's the topic I...

After the Interview

I wrapped up my UIUC interview on Thursday, January 29, 2026 (US time) from Korea. The 6am slot (Korea time) was a bit intimidating, but honestly? It turned out to be a pretty casual meeting. Preparing for...I wrapped up my UIUC interview on Thursday, January 29, 2026 (US time) from Korea. The 6am slot (Korea ti...

Got Sick...!

I always thought managing my health was important, but... here we are. I got sick anyway. WTF Korea's weather is way more dramatic than I expected. In the middle of summer, even people from Thailand and Vi...I always thought managing my health was important, but... here we are. I got sick anyway. WTF Korea's wea...

What a Real Personal Assistant Actually Looks Like

When people hear "AI assistant," most picture a chatbot. Ask a question, get an answer. Request some text, receive some text. But is that really an assistant ? An actual assistant manages your calendar, se...When people hear "AI assistant," most picture a chatbot. Ask a question, get an answer. Request some text...

How to Survive as a Driver in Korea

I live in a satellite city near Seoul and commute to Gangnam, Gwanghwamun, and sometimes as far as Pangyo. The distance means waking up at 5 AM is just part of the deal. I usually arrive between 8 and 9. I...I live in a satellite city near Seoul and commute to Gangnam, Gwanghwamun, and sometimes as far as Pangyo...

The Fall Is Fast and Brutal

I watch Netflix's Black Mirror pretty regularly. And out of all the episodes, the one that stuck with me the most? Nosedive . Nosedive Nosedive is set in a world where everyone is rated on a 5-point scale,...I watch Netflix's Black Mirror pretty regularly. And out of all the episodes, the one that stuck with me ...

How Humans Can Make Gold—And Why We Still Can't

By IJ | 2026-01-20 19:06

I was mindlessly scrolling through YouTube last night when the algorithm served me a video about making gold. I clicked on it expecting nothing much, just background noise while I wound down for the day. B...I was mindlessly scrolling through YouTube last night when the algorithm served me a video about making g...

UIUC Interview Is Scheduled

After deciding to pursue an MBA (a decision that only took me 10+ years), I moved fast and completed my application to the University of Illinois at Urbana-Champaign iMBA program. As I mentioned in my prev...After deciding to pursue an MBA (a decision that only took me 10+ years), I moved fast and completed my a...

The Future of Advertising That's Already in Your Shows

The Coffee Cup That Wasn't There https://x.com/i/status/1184114082804158464 I recently stumbled upon a video about Tencent's AI advertising technology, and honestly, my jaw dropped a little. Not in the "wo...The Coffee Cup That Wasn't There https://x.com/i/status/1184114082804158464 I recently stumbled upon a vi...

On Love

My friends have started getting married. omg— Which makes total sense — I'm turning 30 soon, and this is supposedly the age when marriage starts occupying more mental real estate. Marriage... Until about t...My friends have started getting married. omg— Which makes total sense — I'm turning 30 soon, and this is ...

What Optimistic Nihilism Taught Me

A 5-Minute Video I Stumbled Upon About a month ago, YouTube's weird algorithm led me to stumble upon this video. Since then, I've watched it several more times and eventually saved it so I could revisit it...A 5-Minute Video I Stumbled Upon About a month ago, YouTube's weird algorithm led me to stumble upon this...

A Chronicle of Late-Night Debugging and Hard-Won Insights

Help... ai master.. I recently overhauled this blog service from the ground up. "Overhauled" sounds impressive, but let's be honest—most of it was me staring at my monitor at 3 AM muttering "why isn't this...Help... ai master.. I recently overhauled this blog service from the ground up. "Overhauled" sounds impre...

Preparing for an Ireland Working Holiday

Lucky Ireland You've probably heard of "Working Holiday" at some point. The official definition goes something like this: a program that allows you to live in another country for a year (or a limited perio...Lucky Ireland You've probably heard of "Working Holiday" at some point. The official definition goes some...

What's Actually Changing in 2026

By IJ | 2026-01-13 09:22

Let's be real—keeping up with frontend trends feels like running on a treadmill that keeps speeding up. What you learned yesterday might already be "legacy" today. But if we're staying in this game, we got...Let's be real—keeping up with frontend trends feels like running on a treadmill that keeps speeding up. W...

Thoughts While Drowning in the Pool

While swimming, a thought crossed my mind: "Please save me." It's been almost a year since I started swimming for health and fitness purposes. I actually swam as a kid, back in elementary school. I even ma...While swimming, a thought crossed my mind: "Please save me." It's been almost a year since I started swim...

Temperature of Words

I had a peculiar experience today. Sure, I've been through similar situations before, but this time I sat down in a quiet space and really chewed on it. Here's how it unfolded. The Setup I was shopping for...I had a peculiar experience today. Sure, I've been through similar situations before, but this time I sat...

Why I'm Moving My Blog's Images to Cloudflare

The Problem: Vercel Blob Is Getting Expensive Here's the thing about running your own blog—it starts simple, then suddenly you're staring at hosting bills wondering where it all went wrong. I built injong....The Problem: Vercel Blob Is Getting Expensive Here's the thing about running your own blog—it starts simp...

Life, Everything is Quantum

I once briefly worked at a Korean startup that was building a quantum-related service. It was really brief—so short that I can't claim to know everything about quantum mechanics. But during that time, I ha...I once briefly worked at a Korean startup that was building a quantum-related service. It was really brie...

When a 5-Line Bash Script Beats a Big Tech Plugin

The Hottest Name in AI Right Now? Ralph Wiggum. Yes, that Ralph Wiggum. The lovably clueless kid from The Simpsons who eats paste and says things like "I'm in danger." Someone named an AI coding technique ...The Hottest Name in AI Right Now? Ralph Wiggum. Yes, that Ralph Wiggum. The lovably clueless kid from The...

The Invisible War You Didn't Know You Were Already Losing

You've probably never thought about what's inside your iPhone. Or your Tesla. Or the F-35 fighter jet (okay, maybe you don't own one of those). But here's the thing—they all share a dirty little secret: ra...You've probably never thought about what's inside your iPhone. Or your Tesla. Or the F-35 fighter jet (ok...

Why I'm Chasing the Faucet: My iMBA Journey

By IJ | 2026-01-05 16:28

After my MITx journey, I'm finally taking on something I've dreamed about for a while: an MBA. Let's rewind to 2017. Fresh out of school and stepping into the real world, I immediately ran face-first into ...After my MITx journey, I'm finally taking on something I've dreamed about for a while: an MBA. Let's rewi...

Managing AI Instead of Tasks in the Age of Agentic Work

The business environment of 2026 will be fundamentally different from what we know today. Not because AI answers questions better — but because it plans, decides, and acts . This shift is driven by the ris...The business environment of 2026 will be fundamentally different from what we know today. Not because AI ...

FAFO

January 3rd, 2026, 3:00 PM KST — Venezuelan President Maduro has been captured and is being transported to the United States. America basically said "FAFO" I mean... fair point, but WHAT??? What just happe...January 3rd, 2026, 3:00 PM KST — Venezuelan President Maduro has been captured and is being transported t...

The Underdog's 7 Years : From Backstage to Product Owner

It Started Behind the Stage Im underdog I'll be honest—I didn't start my career thinking, "I'm going to work in tech!" Seoul High School of Performing Arts, Stage Design major. In high school, I was the on...It Started Behind the Stage Im underdog I'll be honest—I didn't start my career thinking, "I'm going to w...

72 Hours, Too Much Coffee... A Blog I Can’t Explain

Why I Started This Project Two reasons. First, personal branding in the AI era. It's been two years since ChatGPT launched. Now anyone can write decent prose, generate code, and create designs. Paradoxical...Why I Started This Project Two reasons. First, personal branding in the AI era. It's been two years since...

There's No Such Thing as a Free Lunch

I've been using my iPhone 13 mini for about 4 years now. With its limited storage and RAM, I'm starting to feel like it's finally time for an upgrade. Here's the history of my phone evolution: I was actual...I've been using my iPhone 13 mini for about 4 years now. With its limited storage and RAM, I'm starting t...

Finishing MITx — A Dream, Kinda Achieved

I boldly started the MITx MicroMasters program, and now it's finally over. After pouring so much effort into the final capstone exam... MIT Congratulations Letter I received my certificate!! Proudly sharin...I boldly started the MITx MicroMasters program, and now it's finally over. After pouring so much effort i...

How Boris Cherny Actually Uses Claude Code

By IJ | 2025-12-04 19:55

I stumbled upon how Boris Cherny—yes, the guy who made Claude Code—actually uses his own creation. And honestly? It's kind of wild. Here's the breakdown: 1. Parallel Execution Setup He runs 5 Claude instan...I stumbled upon how Boris Cherny—yes, the guy who made Claude Code—actually uses his own creation. And ho...

Starting My Posts

Having my own blog is honestly pretty exciting. Writing and putting thoughts together is tough work—but hey, I'm giving it a shot. Oopssss.... The Three Great Challenges of Life Fitness. Vocabulary. Bloggi...Having my own blog is honestly pretty exciting. Writing and putting thoughts together is tough work—but h...

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