When most of us think about GPS apps for smartphones, we're thinking about navigation apps that help you to get wherever you happen to be going. However, there's a whole range of GPS logger apps that are designed to keep track of where you've been.
Tracking your historic position, movement, speed, and elevation is very useful for fitness, as evidenced by the selection of fitness apps below, but it can also be fun. For example, after exporting the .GPX data from a GPS logger app, it can be imported into Google Earth or similar software to create a 3D flyby or, as is the case in the image above, 2D virtual artwork on a massive scale.
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