Is it worthy of a “like”? Facebook CEO Mark Zuckerberg debuted his website’s latest redesign on Sunday night, centering on a revamp of the profile page. The new features make more prominent use of photos, displaying a user’s five most recent pictures on the main screen of their profile. The social-networking tool also added categories where users can display which languages they speak and their favorite sports. Zuckberberg told 60 Minutes’ Lesley Stahl that his team of engineers worked around the clock in a “war room” to get the update finished. The changes are already available for the site’s 500 million users; those who don’t opt in to the redesign will be automatically switched over within the next few weeks.