You can follow a user by clicking on their profile image so here’s a @mungofitch post:
If you click on his profile image you will see a follow button:
Click that and you’re following them. If they were already one of your favorite Fools on the old system you should already be following them because we migrated that data.
There is a Follows tab on your profile that will show you recent posts from all the Fools you Follow:

