Vufind offers deep-learning analytics with the aim to understand behavioral persona for e-commerce purposes. Photo recognition can be integrated to websites and apps with Real Time Recognition API. Video recognition is available as well. However, at this point video is part of a premium feature. 2 privacy notes are available. The first one mentions that photo analytics are based on 100% algorithmic computer vision and no humans inspect the pictures. The second one indicates that videos are not stored on Vufind and developers don't need to supply Facebook or Twitter ID for the user.
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So far, we don't have a record of any changes to this API