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SG1 - Singapore - 4 Days 3 Nights 🇸🇬
Detailing our first trip abroad, from the initial preparations to the last day. Our choice was the vibrant city-state of Singapore
US7 - 100 Days In America - Los Angeles
Los Angeles, the city of angels shining brightly and demons scheming in the dark, truly embodies the essence of the cinematic world it's famous for.
US6 - 100 Days In America - Arizona
Diving deep into the heart of Arizona, the unique state where I've spent the most time during my American adventure.
US5 - 100 Days In America - San Francisco
Finally, I got the opportunity to visit Silicon Valley - the high-tech haven where Google, Apple, and the headquarters of major tech giants are situated.
US4 - 100 Days In America - New Discoveries Amidst Melancholy
I'm sick - homesick. This place is pretty bland. I ain't in the mood to blog, but lemme give a brief update on my current life in Arizona.
US3 - 100 Days In America - The Beginning Of An Epic Journey
The stars have aligned, and HoangYell's dream is finally coming true! It's a journey through stars and stripes to reach Lady Gaga's sky.
US2 - Experiencing The US Visa Interview In Hanoi
Conquering the US visa in less than 24 hours. The step-by-step process from preparation to interview, and the happy ending for the first time in the capital.
US1 - Opportunity And Preparation For The First US Trip
In this blog series, I'll spill the tea on my journey, from start to end, just to satisfy my taste for flexing and to avoid annoying my Facebook friends with too many ostentatious posts.
AI Agents & Multi-Agent Systems: The 'Company of Robots' Mental Model
What's the difference between ChatGPT and an AI Agent? A mastery guide to tool calling, LangGraph orchestration, and why multi-agent is the architecture of 2026.