** 1% sample of clientIds for longitudinal analysis
=== Dates ===
* 2015-05-1129: 39 Beta(slipped due to 39.0.5)** We start receiving Beta trafficon new pipeline** FHR v2 data still sent to old pipeline** saved-session pings to both old telemetry and new pipeline** main pings go to new pipeline
* 2015-06-29: 40 Beta, 39 Release
** No change
** FHR v2 data still sent to old pipeline
** saved-session pings to both old telemetry and new pipeline
** main pings go to new pipeline
* 2015-08-11: 40 Release
** FHR v2 data stops
** saved-sessions ping stops
** Release main pings sent to new pipeline from all channels** base data sent from most of release population (opt-unless they've opted out) sends telemetry base data
=== Acceptance Criteria (Beta -> Release) ===
* metrics team signoff