Retention measurement

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Status

Feature name here
Stage	Definition
Status	In progress
Release target	Firefox 9
Health	OK
Status note	`

{{#set:Feature name=Feature name here

|Feature stage=Definition |Feature status=In progress |Feature version=Firefox 9 |Feature health=OK |Feature status note=` }}

Team

Product manager	Saptarshi Guha
Directly Responsible Individual	Saptarshi Guha
Lead engineer	`
Security lead	`
Privacy lead	`
Localization lead	`
Accessibility lead	`
QA lead	`
UX lead	`
Product marketing lead	`
Operations lead	`
Additional members	Blake Cutlier, Chris Jung

{{#set:Feature product manager=Saptarshi Guha

|Feature feature manager=Saptarshi Guha |Feature lead engineer=` |Feature security lead=` |Feature privacy lead=` |Feature localization lead=` |Feature accessibility lead=` |Feature qa lead=` |Feature ux lead=` |Feature product marketing lead=` |Feature operations lead=` |Feature additional members=Blake Cutlier, Chris Jung }}

Open issues/risks

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Stage 1: Definition

1. Feature overview

This feature adds the profile creation date to the Blocklist ping. We will use this data point to estimate aggregate retention across Firefox versions, OS, locale, and geography.

We want to know the date when a user first tries Firefox; we think that the profile creation date is a good proxy for this. We are open to suggestions of better or easier to implement proxies.

For the first 63 days, the exact profile creation date is reported back. After 63 days, the data sent is a default value e.g. 0.

2. Users & use cases

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3. Dependencies

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4. Requirements

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Non-goals

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Stage 2: Design

5. Functional specification

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6. User experience design

NA

Stage 3: Planning

7. Implementation plan

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8. Reviews

Security review

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Privacy review

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Localization review

`

Accessibility

`

Quality Assurance review

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Operations review

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Stage 4: Development

9. Implementation

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Stage 5: Release

10. Landing criteria

` {{#set:Feature open issues and risks=` |Feature overview=This feature adds the profile creation date to the Blocklist ping. We will use this data point to estimate aggregate retention across Firefox versions, OS, locale, and geography.

We want to know the date when a user first tries Firefox; we think that the profile creation date is a good proxy for this. We are open to suggestions of better or easier to implement proxies.

For the first 63 days, the exact profile creation date is reported back. After 63 days, the data sent is a default value e.g. 0. |Feature users and use cases=` |Feature dependencies=` |Feature requirements=` |Feature non-goals=` |Feature functional spec=` |Feature ux design=NA |Feature implementation plan=` |Feature security review=` |Feature privacy review=` |Feature localization review=` |Feature accessibility review=` |Feature qa review=` |Feature operations review=` |Feature implementation notes=` |Feature landing criteria=` }}

Feature details

Priority	Unprioritized
Rank	999
Theme / Goal	`
Roadmap	`
Secondary roadmap	`
Feature list	`
Project	`
Engineering team	`

{{#set:Feature priority=Unprioritized

|Feature rank=999 |Feature theme=` |Feature roadmap=` |Feature secondary roadmap=` |Feature list=` |Feature project=` |Feature engineering team=` }}

Team status notes

	status	notes
Products	`	`
Engineering	`	`
Security	`	`
Privacy	`	`
Localization	`	`
Accessibility	`	`
Quality assurance	`	`
User experience	`	`
Product marketing	`	`
Operations	`	`

{{#set:Feature products status=`

|Feature products notes=` |Feature engineering status=` |Feature engineering notes=` |Feature security status=` |Feature security health=` |Feature security notes=` |Feature privacy status=` |Feature privacy notes=` |Feature localization status=` |Feature localization notes=` |Feature accessibility status=` |Feature accessibility notes=` |Feature qa status=` |Feature qa notes=` |Feature ux status=` |Feature ux notes=` |Feature product marketing status=` |Feature product marketing notes=` |Feature operations status=` |Feature operations notes=` }}