Everything you do generates data somewhere. That data, when collected and analyzed, becomes information. That information can tell someone more about you than you probably want them to know.
How to Remove Metadata from Microsoft Word Files. Tutorial
The information collected over time can tell someone everything about you and can be used to help or harm you. This data is known as metadata.
Metadata is data about data. Don’t you hate it when people use a word to define that word? Data is facts that are completely objective. It cannot be reasonably disputed. One is one and zero is zero. The temperature is what it is. Today’s date is today’s date. You get the point.
Metadata are facts about a single piece of data. Let’s illustrate this with the example of writing a letter in Microsoft Word.