According to Andrej Karpathy on Twitter, Simon Willison has reached 23 years of blogging, with particular recognition for his high-quality coverage of large language models (LLMs) and AI advancements. Willison's blog, frequently cited in the AI community, offers detailed analysis of real-world LLM applications and open-source tool development. For crypto traders, the ongoing intersection of AI and blockchain technology is closely monitored, as insights from leading AI blogs like Willison's can signal emerging trends that may affect altcoin valuations and AI-focused crypto tokens (Source: @karpathy Twitter, June 13, 2025).