Users of the social media platform Mastodon are unknowingly contributing to AI development by writing alt text for images. This practice, intended to make images accessible to visually impaired users, involves creating descriptive text that functions similarly to prompts used by AI image generators. The process of describing images for accessibility shares common ground with how AI models interpret textual descriptions to create visual content. AI
IMPACT User-generated image descriptions for accessibility may indirectly train AI models, highlighting a novel data source for AI development.
RANK_REASON The cluster discusses the indirect contribution of users to AI development through a common online practice, framed as commentary on the intersection of accessibility and AI.
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