Facebook has revealed its latest round of changes, showing off a new look news feed. In a major update, users will see what’s relevant to them depending on how often they visit the social network’s website. That means if you hit up Facebook once a week, you’ll be give the top stories from the past seven days. If you’re a Facebook junkie and check it constantly, you’ll be served up all the very latest status updates, images and videos. Images have also been given an overhaul. They now appear larger in your news feed, so you can easily see what’s going on without having to click and enlarge every time something piques your interest.