Last night, GPT-5 was released, which should be the most important event this year, with an importance even surpassing trade wars and the Federal Reserve's monetary policy direction. Nothing else, technological progress is the core driving logic of social advancement. Regarding GPT-5's key points: 1. Sam said GPT-3 is like talking to a high school student, GPT-4o is like talking to a college student, while GPT-5 is like having a conversation with a PhD. 2. GPT-5 truly transforms AI from a 'conversationalist' to an 'actor', not only able to answer questions, write summaries, and write code, but now GPT-5 can complete entire work tasks: from understanding requirements, thinking through pathways, generating content, writing frontend, debugging backend, to finally launching a usable product. This marks the comprehensive breakthrough of AI's "hands-on ability", taking a big step towards the execution layer. 3. Sam revealed that the number of weekly GPT users has already exceeded 700 million, which is a terrifying figure. It is estimated that by the end of the year, GPT's monthly active users could exceed 1 billion. There are actually very few global applications with over 1 billion MAU, and GPT is absolutely the fastest product to reach 1 billion monthly active users (in just three years).