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[@lena](/creator/youtube/lena)
"Your RAG Wont Work Without This: Vector vs Keyword vs Hybrid Search"  
[YouTube Link](https://youtube.com/watch?v=h3Pkjsvru-k) [@lena](/creator/youtube/lena) 2025-10-09T16:11Z 89.5K followers, 24.7K engagements


"I built a multi-API AI agent in X minutes #ai #aiagents"  
[YouTube Link](https://youtube.com/watch?v=-crukQjn8y4) [@lena](/creator/youtube/lena) 2025-09-25T14:13Z 87.1K followers, 20.5K engagements


"Active Metadata and Governance for Agentic AI Concepts Explained"  
[YouTube Link](https://youtube.com/watch?v=6ohbE0avny8) [@lena](/creator/youtube/lena) 2025-09-18T17:18Z 89.5K followers, 18.3K engagements


"Amazon's Kiro IDE for Spec Driven Development Developer Review"  
[YouTube Link](https://youtube.com/watch?v=jvOouF7JHF4) [@lena](/creator/youtube/lena) 2025-07-22T17:01Z 89.5K followers, 15.2K engagements


"Kafka + Flink + LLM: Real-Time Decisions from Streaming Data"  
[YouTube Link](https://youtube.com/watch?v=oqDP7MAVMP0) [@lena](/creator/youtube/lena) 2025-10-16T16:23Z 89.5K followers, 6814 engagements