Ryan Mack, Facebook: Building Timeline, scaling up to hold your life story

Facebook :: Timeline isn’t just a bold new look for Facebook­—it’s also the product of a remarkably ambitious engineering effort. While our earlier profile pages surfaced a few days or weeks of activity, from the onset we knew that with Timeline we had to think in terms of years and even decades. At a high level we needed to scan, aggregate, and rank posts, shares, photos and check-ins to surface the most significant events over years of Facebook activity.

Building Timeline (technical article) - Continue to read www.facebook.com