Clicking through your Facebook friends, you may have noticed a few of them stuck in the past with old profile designs.
Why did they get to keep the previous layout instead of going to Timeline?
Well, within a couple of months, everyone on Facebook will be using Timeline, according to several media reports.
A Facebook official told NBCNews the entire switch should be completed by fall.
If you're one of the late-Timeline-bloomers, here's something you should read about your privacy.