This page documents one type of data collected by telemetry: what is collected, the problem we seek to solve by collecting the data, and how we minimize any risks to users' privacy in deploying the measurement.

Status:

Problem Statement

Briefly state the problem to be solved by collecting this type of data: a question we have and how the answer can make our users' web experience better. The product or engineering contact should fill this out.

Do people who abandon Firefox use it for a while or abandon it immediately? We want to correlate other measurements (e.g. adoption of features/ attrition) with the length of usage of Firefox. This will allow us to better understand the things that drive adoption and attrition in Firefox usage and make specific changes to the product to improve Firefox in ways that match user expectations.

Measurement to Collect

Describe what type of measurement will be recorded and transmitted to our servers, and how it will be kept (as unique measurement or in aggregate) on our servers.

The "age of the profile" is the time since the profile was created. (Knowing this tells us if new users are abandoning Firefox or if people stop using Firefox despite having used it for long periods of time.)

SELECT dateAdded FROM moz_bookmarks WHERE id = 1

This measurement is the number of days since the current Firefox profile was created. It will be obtained from the places database (first-modified entry date) and transmitted to our servers as an integer, a number of days since creation of the profile.

See bug 679937

Privacy Considerations

This section will contain potential privacy risks and measures taken to minimize them.

Consent and Privacy Policy Considerations

This section contains notation of any changes to privacy policies or user opt-in/opt-out consent UX that is updated to include this measurement.

Alignment with Operating Principles

This section briefly describes how the measurement and technique lines up with our operating principles'

Transparency / No Surprises 

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Real Choice 

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Sensible Defaults 

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Limited Data 

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