Market research firm Grand View Research projects that the global smart glasses market will grow from $2.5 billion in 2025 to $14.4 billion by 2033.

But as the technology gains attention, civil rights groups are warning of its potential for abuse. Videos are already appearing online showing people who say they had no idea they were being filmed.

Data privacy expert Kleanthi Sardeli spoke to DW about the safety risks posed by Big Tech's latest push into wearable technology.