From the home page of MyCollege (which can be accessed easily by clicking on the "My College.SunyBroome.edu logo on the left top corner of the screen), click on the my communities symbol. On the scroll down menu, select MyCommunities and then select MyProfile.
Inside the application "Wall", there is nice blank text-box for you to write in (see image below). To publish your epic update, click Post.
Delete your post on your wall by finding the post and clicking Delete (see image below).