The Contact Info in your FaceBook can easily be changed, Here is the solution Change the Contact Info: Emails, Mobile Phones, Add another phone, Other Phones,
To change the primary language on Facebook.com is quite simply and is for everyone easy accessible. Login on facebook.com click the button for settings
The solution is very easy to export or import favorites e.g. bookmarks from Chrome eg to use it for a guest account Please run, eg start the Chrome browser,
The solution is quite simple to change the status of the messages e.g. e-mails in Thunderbird as read or unread e-mail Thunderbird displays unread message