There have been lots of posting coloured with blue links but customs messages and famous quotes. Here are one example how you could colour you message blue
1. Log into Facebook and go to our personal page http://www.facebook.com/pages/0/164569223609947
2. Click the "Like" button.
3. Copy these word exactly @[164569223609947:<your message here>]. Make sure you didn't forget anything.
4. Replace <your message here> with your own message and watch the messages turned blue.