Way.Today is GPS tracking software aimed to be the simplest on the market. The user interface assumed to have exactly one big red button “Start/Stop” and nothing more. Well… may be just another small gray – “Share my position”.
…and if an user really need something more – slide it from the red line on the right side to left
That’s all, the only actions the user has to do are make his phone to start tracking and report the position or stop tracking.
The same marginal simplicity is on the web site where the position is tracked – it is intended to be used accidentally by uneducated person – so no logins, not tracks remembering/deleting: just a code if there’s no direct link and time range to observe:
Read this article if interested in technical details.