9to5Mac is brought to you by Memoket: The Memoket Gem is an 11g AI wearable that slots beside your Apple Watch in a co-wear band. Press once to capture a conversation, and Gem connects it to what you discussed weeks ago — surfacing the earlier thread with a source link. From $179, shipping August 2026.In 2023, early adopters were just getting to know ChatGPT and AI chatbot tech. Three years later, OpenAI’s Codex agent, now part of the ChatGPT desktop app, has brought about a similar season of learning. Here’s how I’m using ChatGPT, Codex, and more on my Mac. more…