Question

When you follow a subject, what does that allow you to do?

Do those certain subjects question just show up on your dashboard?

Answer 1

your answer may go on like this-

Explanation:

It allows you to get in touch with that subject.
It also makes you to get a badge of that subject.
Also if you just follow up a beta Subject then you will get a notice when The Subject came up in Pure Subjects list.

Hope This Helps...