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Search Results for tag "privacy"
Message Seen Disable for Facebook™ lets you turn off Facebook™'s Message Seen feature automatically for your account. You can still use Seen feature for others.
Please note that this add-on has been replaced with a complete WebExtensions powered rewrite to be compatible with Firefox 57.0 and above. Download the new ZenMate for Firefox here: https://addons.mozilla.org/en-US/firefox/addon/zenmate-vpn/