If you purchase the eBook from a legitimate retailer (such as Amazon Kindle, Google Play Books, Kobo, or Casa del Libro), you do not typically need to perform a complex "installation." Here is how it works:
"El Ladrón de Rostros" sits in a legal gray area. While walking down a public street, individuals have a lower expectation of privacy regarding their image. However, the systematic processing of that data falls under GDPR (in Europe) and various biometric privacy laws (such as BIPA in Illinois, USA). el ladron de rostros ibon martinepub install