If you own a Facebook Business Page, you've no doubt seen the option to "Boost Post" (as seen above in the bottom right corner). Facebook might even send you a notification that says "posts similar to yours are being boosted. Boost your post now."
Yesterday, Facebook CEO Mark Zuckerberg posted about changes to the way your news feed will look in the near future. A blog post by Adam Mosseri, Head of Facebook News Feed, then followed that up explaining in a little more detail the upcoming changes.