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The confusion around Dropbox's AI toggle highlights an AI trust crisis where many users don't believe OpenAI's claims that their data won't be used for training

Simon Willison's Weblog Simon Willison

Context & Ripple Effects

Dropbox's earlier AI rollout left users unclear about when information would be sent to OpenAI; the company subsequently said sharing occurred only while the AI search feature was actively used, following an on-by-default toggle that caused confusion.

The episode lands amid wider scrutiny of how AI systems obtain and use data. Questions around OpenAI's training sources had already created privacy and legal stakes in Europe, making assurances about non-training use harder for users to verify.

First-order effects

  • Dropbox must clarify the distinction between data processed to deliver an AI feature and data retained or used for model training; users deciding whether to enable the feature bear the immediate consequence of that ambiguity.
  • OpenAI's stated non-training commitments become a credibility issue for an enterprise-software partner, not just a policy statement to its own users.

Second-order effects

  • Other workplace-software vendors integrating third-party models face pressure to make AI defaults, activation states, and data flows legible before users adopt them.
  • Trust friction can slow uptake of AI search and similar features even where providers limit data sharing, because users may treat unclear controls as evidence that promises cannot be audited.

Third-order effects

  • If repeated rollout confusion persists, AI product competition will increasingly hinge on operational governance—clear consent, explainable data handling, and enforceable partner commitments—rather than feature breadth alone.
  • Ongoing uncertainty over training data, also visible in scrutiny of Sora's undisclosed training sources, could strengthen demand for clearer data-use standards and oversight across AI integrations.

The trend: Enterprise AI is moving from feature experimentation toward a trust-and-governance test in which data-use controls must be understandable as well as technically limited.

Discussion

  • @jina Jina Anne on threads
    PSA: If you use Dropbox, they just added a toggle in your desktop web settings, allowing OpenAI to access your file data... and turned the toggle *on* by default.  If you don't want a third-party AI accessing all your files, turn that setting off.
  • @zarfeblong@mastodon.gamedev.place Andrew Plotkin on mastodon
    A lot of chatter this week about Dropbox's third-party AI option.  What is very unclear in the noise is *who* sees this option at all.  I don't have it, and navigating to https://www.dropbox.com/... gets me nothing.  (It just redirects to general prefs.) …
  • @rstankov Radoslav Stankov on x
    Great post by @simonw I had this Facebook spying debase too many times. Now is Open AI turn, however in this case we don't know. https://simonwillison.net/...
  • @bengoldhaber BenG on x
    Good article about the trust crisis in AI and other web services - I'm confused though why more companies don't pay for public audits to reassure customers their data isn't being misused. Is there no true trusted third party out there? https://simonwillison.net/...
  • @iethics @iethics on x
    “#AI models are weird black boxes, built in secret and with no way of understanding what the training #data was or how it influences the model. As with so much in AI, people are left with nothing more than ‘vibes’ to go on. And the vibes are bad”: https://simonwillison.net/... #e…
  • @simonw Simon Willison on x
    I wrote about the AI trust crisis: when companies like Dropbox and OpenAI say “we won't train models or your private data”, it's increasingly clear that a lot of people simply don't believe them. https://simonwillison.net/...