Top Highlights of the Facebook Timeline for Business Pages:
Cover Photo: here is your billboard. Use the photo (851 x 315px) to engage users and present images with which they will positively respond
Pinned Posts: You can choose a post to be listed at the top of your timeline for up to 7 days. Use this post to express your weekly specials, your unique selling proposition, etc. Make it interesting.
Photos and Videos: These are now more prominent than the standard profile photos. Photos and Videos increase engagement among readers, so make them interesting and relevant to your audience.
Milestones: Create full width posts (photos can be 843 x 403px) for important events, achievements, and happenings in your business. Did you win an award, honor your 1,000th customer, open a new location? Create a milestone for it.
Apps: Page width for Apps can now be adjusted between the standard 520px to the expanded 810px.