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Limiting Facebook and Google activities to specific Firefox containers

Mozilla Firefox’s one of the best features is the ability to use multiple logins on a specific website at the time, using the Multi-account containers feature. This feature is available as an extension for Firefox on the desktop, since Firefox 57.0, Firefox Quantum.
Cookies are contained with the color-coded tabs on the same browser session, allowing one to use multiple logins of a particular website at the same time. You can learn more on how this feature works here.

I recently came across two plugins that takes this feature even further, making it very useful. Meet Facebook container and Google container.
The Facebook container is made by Mozilla, while the Google container is a fork by another developer.
When you activate these extensions on your Firefox browser, your Facebook and Google cookies are deleted. The next time you visit Google or Facebook, the respective content will open on a tab that is contained within this container.

A Facebook link contained within the Facebook container on Firefox Quantum

This means, Facebook and Google will no longer will able to read your activities on other websites. You can safely contain to browser other websites that you need, as usual, and these tabs will open on your regular container.

Only Facebook and Google sites will load on their specific containers.
Something even better is that, these extensions do not necessarily apply only to facebook.com and google.com domains.

I read the code a bit, and it looks like most Facebook-owned domains are listed which includes WhatsApp and Instagram.

Likewise blogspot domains are contained within the Google container.
It should be possible that you can extend this code to other domains that Facebook and Google own as well, or fork the original Mozilla code for Facebook container and write your extension.

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1Password is offering 6 months trial if you haven't signed up yet

I came across a deal today that’s offering 1Password trial for 6 months. I am not quite sure if this has been around since 2017, or even before that, but the good thing is that, 1Password is actively promoting the same and is encouraging new users to use that deal. Link here if you want to sign up without reading any further.
1Password has been my favorite choice of password manager these days. I have tried LastPass in the past, and have been using 1Password since April. I haven’t tried any other password managers so far. I am pretty happy with 1Password’s UI and customer support that I haven’t had a reason to move away.
Some of my most favorite things about 1Password:

The 2FA detector is a bit broken, but one can fix broken items by adding 2fa tag to it. 🔐
I am not a huge fan of the other browser extensions as they are not consistent. 1Password X aims at offering the consistency in UI. I wish 1Password X is available for Brave and Tor soon. 🌏
Related: Compare your 1Password passwords with haveibeenpwned.com list fast
If you haven’t signed up for 1Password yet, you should. The 6 months trial is a steal, and online security matters.