Facebook CEO Mark Zuckerberg yesterday announced a complete reconceptualization of profile pages on the popular social network with the introduction of Timeline. As Zuckerberg puts it, Timeline is the story of your life.

Gone is the single column wall of posts with the most recent updates telling '15 minutes of your story.' Instead, as the name suggests, you'll see a timeline of life events containing photos and other updates that stretches back to when you joined Facebook. Anyone viewing it can click back to any year where there are updates and see what was going on.

Facebook automatically selects the most important updates and highlights them with a blue dot. Grey dots represent hidden updates that might not be as important. Users can arrange their Timeline however they see fit by removing certain updates or highlighting others that might be important to them. The feature will begin rolling out to the public over the next few weeks, but developers can sign up for early access now. Here's how you can get it too.

Read the complete guide.