If you enable Sync, Mozilla says it cannot decrypt your data

Synced data is encrypted before leaving your browser and can be decrypted only by another Sync client with your encryption keys.

This applies if you enable Firefox Sync.

When you use Mozilla VPN, neither partner keeps network logs

Mozilla says neither it nor Mullvad keeps logs of your network activity while you use the Mozilla VPN service.

This applies when you activate and use Mozilla VPN.

If you text through Relay, Twilio receives message contents

Twilio receives texts sent and received through Relay; Mozilla says Twilio is set to delete its records after seven days.

This applies if you use Firefox Relay to send or receive text messages.

U.S. Firefox sends live queries to Mozilla for suggestions

With Firefox suggestions enabled, real-time queries and related data go to Mozilla through OHTTP, which the notice says helps prevent linking queries to you.

This applies when using Firefox in the United States with Suggestions from Firefox enabled, which the notice says is offered to U.S. users.

Firefox New Tab uses interaction data to tailor sponsored content

Mozilla uses New Tab views and clicks to personalize content, including sponsored items; data may be shared with ad partners in aggregated or de-identified form.

This applies when Firefox New Tab content and advertising are enabled.

iOS Firefox sends crash reports automatically by default

Crash reports may include sites open at the time and other browsing data; iOS sends them automatically by default, while desktop and Android require opt-in for automatic sending.

This applies if Firefox encounters an unexpected issue; the default sending behavior depends on your device platform.

Relay says it does not read or store email message content

For Relay email, Mozilla says it does not read or store message content, but may hold undelivered messages for up to three days.

This applies if you use Firefox Relay to forward email.

Uploading content grants Mozilla a broad license to use it

The terms grant Mozilla a nonexclusive, royalty-free, worldwide license to use uploaded content to provide the services.

This applies if you upload content through a service feature.

Mozilla may delete accounts after two years without sign-in

Mozilla says it periodically deletes accounts that have not been signed into for more than two years, while making reasonable efforts to send a reminder first.

This applies if you do not sign in to your Mozilla account for more than two years.

Mozilla may suspend or end access at any time for any reason

The terms reserve broad discretion to suspend or terminate access, including when Mozilla believes service is no longer commercially viable.

The terms seek to exclude many damages and cap liability at $500

Where permitted by law, the terms exclude several types of damages and seek to cap Mozilla's collective liability at $500.

These limits may not apply where law does not permit them.

The terms specify California law to govern the agreement

The terms select California law, excluding its conflict-of-law rules, but this passage does not specify where a dispute must be heard.