[awegio]

Why? Only if you would reuse the same data multiple times, or if you use a unique random generator that is easily distinguishable from other data. So maybe don't use the 5x5 island, but when done right the approach shouldn't help fingerprinting?

[kevincox]

Exactly. Just pick a random location on the planet and have it randomly wander. Have a consistent but (statistically) different location per-app.