Ask your professors what they expect.
Many newspapers are now available on the web.
By filling out and sending in one of these cards, your address will not be used on new junk mailings and your address may be eliminated from junk mailings you currently receive. Companies you continue to do business with, however, will continue to send you mailings. It takes approximately three months before your address will be eliminated from lists. It will remain off lists for five years. This does not affect mail sent to businesses.