thoughts.xavierdecarvalho.com

Category: web3

  • Using GPT-3-era tools at work: useful tasks and verification limits

    This article concerns the GPT-3 and early ChatGPT period. It is a historical perspective, not a guide to the features or model lineup available today. My interest remains practical: where can a language tool save useful effort, and what must we check before acting on its output? GPT-3 and ChatGPT are different kinds of names…

  • The spatial web: location data, 3D experiences and their limits

    The phrase “spatial web” can cover several ideas. Some concern information tied to a place: maps, nearby services and navigation. Others describe richer connections between physical spaces, digital objects and shared 3D environments. It helps to say which meaning we intend before announcing a new stage of the internet. Location services are an established starting…

  • Where blockchain might help advertising—and where it does not

    A shared record of advertising transactions sounds useful. Buyers, sellers and intermediaries can disagree about what ran, what was billed and which version of an event log to trust. Blockchain is one possible way to organise that record. It is not a shortcut to trustworthy advertising data. An audit trail is the strongest starting point…