Your network is unacceptable. I uploaded 4 photos, your network got initiative, took keywords from the one and replaced keywords of other 3. Just fix it NOW, either I will not upload more photos. Fivos Polenakis.
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I am not an Adobe emplyee but I am a computer programer and database specialist and can say that this is possible but highly unlikely. How did you apply the keywords? How did you upload? Where did you review the keywords?
I suppose you need to do some reading. If after that there are still questions open, feel free to ask.
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