ChatGPT 5.5 Codex is the greatest AI coding tool ever. Here's how to use it

ChatGPT 5.5 Codex is the great AI coding tool ever. Here's how to use it

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The prompt:
I want to build out a full stock investing app. This is an app where I can enter a company or ticker, then see their charts, get the latest news, do research, and save companies to my portfolio. First I want to design the user interface. Can you generate 5 options for clean, simple, but really visually powerful interfaces using the image gen model

Timestamps:
0:00 Intro
0:55 The interface
3:08 The prompt
6:55 Building a marketing video
9:32 Computer use
11:27 V1 of the app
12:17 In app browser
14:03 Reverse prompting
17:09 The final marketing video
19:03 Automations

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