Following
(Plus Icon)  

Following a subject, college or career or any map location allows you to quickly add an interest to your dashboard.

This feature allows you to come back and do more research later. Think of this feature like a wish list you add clothes to when you're online shopping and aren't quite ready to add to your cart.  

Favoriting
​(Heart Icon) 

Favoriting is a way to prioritize what you are following when you're sorting out your following page.