This talk is a brief recap into EEG / BCI for hackers, makers, researchers, and artists. It will give an overview of current consumer devices and their flaws, and subquently present fully open-source, high-quality hardware and software. Finally implications for the future of modern society are outlined, especially how commercial EEG consumer devices or services may be exploited by corporations to cloudsource market research, or spy on health conditions, brain states or even leak private information. Strategies to circumvent these risks and secure brain wave experience are being discussed.