Please Unsubscribe me from Your Internet

From the Page:

My company runs email campaigns like any other. You know, the usual sales promotions, monthly specials, etc. Just click the unsubscribe link at the end of the email to opt out / unsubscribe permanently.
A couple of weeks ago we received an actual, honest to goodness US Postal service real snail-mail letter to our department. Written in the feminine cursive of my parents’ generation, it reads as follows:

Source: www.mikeduncan.com