Today I’m walking you through one of my absolute favorite AI features right now: browser and computer use via Codex (the ChatGPT desktop app). I use this every single day, personally and professionally, and I wanted to share the specific workflows I’ve built, the moments that surprised me, and the mental model that makes it actually click.How browser use and computer use work, and why the Codex desktop app plus Chrome extension is the combo I rely onHow I use Codex to QA my onboarding flow, including exhaustive mobile testing I would never do manuallyWhy under-prompting frontier models gets better results than detailed step-by-step instructionsHow my husband EJ Lawless’s persona-impersonation trick surfaces friction points I can’t see as the builderHow I use browser use to get through my LinkedIn inbox without touching it myselfHow I had Codex shop Free People’s sale and add 10 medium-size items to my cart (breastfeeding-friendly and Hawaii-ready)How computer use can control iPhone mirroring so your Mac can technically operate your phoneThree more computer-use shortcuts: filling annoying forms, creating Google Sheets mid-workflow, and managing a routerRunway—The creative AI platform for images, video, and moreHyperagent—Deploy fleets of agents that handle real work(00:00) Intro(01:46) What browser use and computer use actually are(03:08) Why I use Codex specifically and how the desktop app plus Chrome extension works(04:15) Use case 1: QA testing my onboarding flow(10:41) Results: 11 issues, one high-severity blocker, one Google Sheet with screenshots(12:10) Use case 2: persona testing(18:20) Use case 3: LinkedIn inbox, hands-free(20:37) Use case 4: AI personal shopper(23:47) Rapid-fire uses: forms, iPhone mirroring, router access from out of state, Google Docs(26:50) Wrap-up• Codex (ChatGPT desktop app): https://openai.com/codex• Claude desktop app: https://claude.ai/download• Monologue (voice dictation for AI): https://monologue.app• iPhone mirroring (Apple): https://support.apple.com/en-us/111775• Google Sheets: https://sheets.google.com• Jesse Genet episode (How I AI): https://www.lennysnewsletter.com/p/5-openclaw-agents-run-my-home-finances?utm_source=publication-searchChatPRD: https://www.chatprd.ai/Website: https://clairevo.com/LinkedIn: https://www.linkedin.com/in/clairevo/X: https://x.com/clairevoProduction and marketing by https://penname.co/. For inquiries about sponsoring the podcast, email [email protected].