This is anecdotal, and I have not followed rigorously the experimental protocols of any of the papers I have cited, nor have I subjected myself to tests of retention, calculation or reaction time. Nevertheless, I believe the device has enabled me to achieve a higher karma score on Hacker News. I have authored a paper on mathematical logic after a period of previously drafting notes, and have had success with the integration of large-scale multi-disciplinary environmental systems models. Finally I believe the cognitive gains my unlicensed, home-made DIY tDCS device have enabled are sufficient to overcome the bias that otherwise would have left me unemployed (cf. http://www.nytimes.com/2012/01/29/us/bay-area-technology-pro...).