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+===============
+Data collection
+===============
+
+There are different APIs and formats to collect data in Firefox, all suiting different use cases.
+
+In general, we aim to submit data in a common format where possible. This has several advantages; from common code and tooling to sharing analysis know-how.
+
+In cases where this isn't possible and more flexibility is needed, we can submit custom pings or consider adding different data formats to existing pings.
+
+*Note:* Every new data collection must go through a `data collection review <https://wiki.mozilla.org/Firefox/Data_Collection>`_.
+
+The current data collection possibilities include:
+
+* :doc:`scalars` allow recording of a single value (string, boolean, a number)
+* :doc:`histograms` can efficiently record multiple data points
+* ``environment`` data records information about the system and settings a session occurs in
+* ``TelemetryLog`` allows collecting ordered event entries (note: this does not have supporting analysis tools)
+* :doc:`measuring elapsed time <measuring-time>`
+* :doc:`custom pings <custom-pings>`
+
+.. toctree::
+   :maxdepth: 2
+   :titlesonly:
+   :hidden:
+   :glob:
+
+   scalars
+   histograms
+   measuring-time
+   custom-pings
+
+Browser Usage Telemetry
+~~~~~~~~~~~~~~~~~~~~~~~
+For more information, see :ref:`browserusagetelemetry`.