Today is Facebooks 10th anniversary and the company is celebrating by digging up the most embarrassing things youve shared with them and giving them back to you in dramatic fashion. Meet Lookback, your new least favorite Facebook feature. The social network will a quick video collage of your old photos and status updates ever since you joined, whenever that may be, whether you like it or not. Whether you grew up with Facebook or adopted late to keep an eye on your kids, everyone has a period where Facebook was new and unusual and we were still figuring out How to Facebook.