Message Seen Disable for Facebook™ – Get this Extension for 🦊 Firefox (en-US)
Download Message Seen Disable for Facebook™ for Firefox. 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.
Dec 22, 2017 ... Message Seen Disable for Facebook™ lets you turn off Facebook™'s Message Seen feature automatically for your account. You can still use ...