I wonder how much they paid for that domain name. Check out the WhoIs.
Domain Name: MESSENGER.COM
Registrar: HOGAN LOVELLS INTERNATIONAL LLP
Sponsoring Registrar IANA ID: 1526
Whois Server: whois.anchovy.com
Referral URL: http://www.anchovy.com
Name Server: A.NS.FACEBOOK.COM
Name Server: B.NS.FACEBOOK.COM
Updated Date: 12-nov-2014
Creation Date: 04-nov-1998
Expiration Date: 03-nov-2015