BrunoBraunbart t1_jd2tmou wrote
Reply to comment by Mission-Simple-5040 in ELI5: Why does Google offer all these free services like Google Docs, Sheets, Drive, Sites, Forms, etc. without any ads on them? How does Google benefit from this and why do they invest so much in creating and maintaining them? by Elena_Edie
Data about data. For example, when you make a survey, the actual answers are the data and the information about the person (gender, age, ...) could be considered metadata.
In this case they mean metadata in files. For example, when you take a picture, the actual pixel information is the data and other stuff (location, time the picture was taken, phone model, exposure time, ...) is the metadata.
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