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I am writing an Android photo sharing app, and pondering whether I should implement Extensible Metadata Platform reading from pictures taken by the smartphone/tablet/device's.

If almost no smartphone writes XMP data, then I don't need to waste my time implementing that.

So, I would welcome any data about XMP implementation in smartphones. Ideally the percentage of smartphone-taken pictures that embed XMP data, ideally per year and per country. Single numbers such as "the XYZ phone/OS embeds XMP and had a X% market share in Indonesia in 2015" are welcome too.

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  • While I have no statistics to give you, I do believe that some Apple phones will embed XMP MWG region data when they identify that there is a face in the image.
    – StarGeek
    Apr 26, 2019 at 16:37
  • @StarGeek: Thanks! That means that the data is not an empty set.
    – Nicolas Raoul
    Apr 26, 2019 at 17:24

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