&gt;Police spying on you from a blimp is fairly unlikely, since it would be fairly conspicuous, not to mention expensive.
The Army is actually doing this: <a href="https:&#x2F;&#x2F;theintercept.com&#x2F;2014&#x2F;12&#x2F;17&#x2F;billion-dollar-surveillance-blimp-launch-maryland&#x2F;" rel="nofollow">https:&#x2F;&#x2F;theintercept.com&#x2F;2014&#x2F;12&#x2F;17&#x2F;billion-dollar-surveilla...</a>