Have a love/hate relationship with your Facebook news feed? Sure, that feed serves up plenty of photos and posts from friends and family that you want to see, but there are also plenty of posts you could do with out. Facebook knows this, and is constantly tinkering and iterating its news feed post ranking processes to provide the most relevant stories possible to each individual user. To that end, Facebook is rolling out a new feature, called story bumping to better percolate the stuff you care about to the top of your feed. Story bumping has already been launched on the web,