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link: piped.video/watch?v=y1fGlAEC…
my notes:
THINGS YOU WILL LEARN
1. How foundation models learn meaning through relational context rather than explicit rules
2. Why self-supervised learning is the only scalable approach for real-world AI applications
3. The philosophical shift from top-down design to bottom-up learning in AI systems
4. How to apply next-token prediction and contrastive learning methods to extract knowledge from data
5. Why supervised learning and reinforcement learning fail at scale in chaotic environments
6. How to build general-purpose AI systems that work across scientific and business domains
FOUNDATION MODELS & GENERATIVE AI FUNDAMENTALS
- Foundation models work by learning meaning through relational context rather than explicit labeling
- Self-supervised learning enables models to extract knowledge by observing patterns in unlabeled data
- The breakthrough comes from training massive models on enormous datasets to capture as many relationships as possible
- These models become general-purpose tools applicable across domains once they understand relational structures
PHILOSOPHICAL SHIFT IN AI APPROACH
- Traditional AI relied on top-down design and explicit rule-based systems that don't scale to real-world chaos
- The world is fundamentally chaotic at human-scale interactions, requiring bottom-up learning approaches
- Neural networks are our best tool for navigating chaotic environments, mimicking how brains process information
- Learning from observation is the only scalable approach since supervised learning is expensive and reinforcement learning is dangerous
LEARNING PARADIGM COMPARISON
- Supervised learning fails because labeling everything is impossible and humans can't articulate all knowledge
- Reinforcement learning is too risky and slow for complex real-world environments
- Self-supervised learning succeeds by extracting supervision signals directly from data structure
- Meaning emerges from correlations and contrasts between concepts appearing in similar contexts
SELF-SUPERVISED LEARNING METHODS
- Next-token prediction forces models to understand grammar, semantics, knowledge, and context
- Contrastive learning pushes related items closer and unrelated items apart in representation space
- Both approaches scale infinitely with available data without requiring human annotation
- Models implicitly learn complex patterns that would take humans years to identify and formalize
PRACTICAL APPLICATIONS
- Scientific domains benefit from models trained on sequence data to discover hidden patterns
- Business applications can understand customer behavior without expensive manual profiling
- Foundation models create reusable intelligence that applies across multiple use cases
- The approach works because it captures the fundamental relational structure underlying different domains
Sir, do tools like NotebookLM or other LLMs that summarize video content cause people to miss the story or thought process behind a product that sparks curiosity? I understand concepts better when instructors explain the why and how, which LLMs might overlook in summaries. They save time, but are people missing something more?
MIT’s open course on generative AI underscores a broader trend making frontier knowledge accessible at scale as the market accelerates toward $7.9T by 2030.