Tags are perfect for grouping related feeds. You can create as many tags as you need and even apply multiple tags to a single feed.
Actions help you manage incoming articles. Using actions, you can automatically star, mark as read or send a push notification on the articles you want.
Search helps you find what your looking for. If there's something you're searching for frequently you can used saved searches and the results will always be a click away.
Configurable sharing and read-it-later services let you decide what services you want to use. With built-in support for all of the most popular services out there.
Know you just read something but can't remember where it was from? Recently Read can help by maintaining a history of just the articles you've actually read.
Feedbin can help get full-text of an article for feeds that only offer partial-content. This way you can keep reading without leaving Feedbin.