The GDPR applies to processing of any personal data of data subjects allowing to identify an individual. It can be any data such as:
>a name (first, last name, surname etc.)
>an identification number (social security number for ex.)
>location data (IP address)
>or more factors specific to the physical, physiological, genetic, mental, economic, cultural or social identity (a picture, a religion preference, a medical statement etc.).
If you have doubts about the data you collect and whether or not they are eligible, please feel free to send an email, we'll be happy to help (firstname.lastname@example.org).