There seems to be a great deal of unnecessary mystery about SSL, IPsec, and public-key certificates in general. This mystery often leads people to self-sign their entire public key infrastructure
I managed to take (Bluetooth GPS, mobile phone and application), combine them Perl, and create a system that automatically sends my location to the website. I can be located all the time.
M. Windl, V. Winterhalter, A. Schmidt, and S. Mayer. Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems, New York, NY, USA, Association for Computing Machinery, (2023)
M. Porter. (2022)cite arxiv:2201.07794Comment: working paper (associated with my data-ethics lecture at the 2021 AMS Short Course on Mathematical and Computational Methods for Complex Social Systems); not yet refereed; private comments and suggestions are appreciated.