What are metadata and what are they for?

Did you know that when you take a photo with your mobile phone, it saves more information than you imagine? In addition to the image, it includes data such as the date, location and even the device model. Metadata are these small pieces of hidden information and are present in almost all digital files: documents, attachments in emails, videos, and even social media posts. Metadata can be very useful, for example, to organize files or improve sea…