===Firefox for Android===
* [https://www.mozilla.org/firefox/android/ Firefox for Android] includes a way to contribute data and enhance the service. You can enable the feature by opening the Settings menu and in the
Mozilla section under Data Choices check the Mozilla Location Services option.
* Once enabled data will be send to the service anonymously. Enabling this option has virtually no impact on battery life. Data is only send back when being connected to a WiFi network, so there is no impact on a cell data plan.