Whether you have business pages or just a profile 'Timeline' will kick in on 30th March.
This is probably one of if not the biggest change that Facebook has made and you should be paying attention.
I wish I could take the credit for this one but a guy call Pat Flynn is responsible for this great guide to the new look 'Timeline' from Facebook.
I recommend you go through the guide, you can find it here:
It is very easy to follow.
Liam