An actual picture is hard to throw away.
Now compare the feeling you get when you hold a picture versus a mass-printed brochure or look at a picture on the Internet. Any ideas?
If you want your mailing package to really stand out, include a snapshot of yourself, your family, your product, or … use your imagination. It is harder for people to throw away a snapshot of a family.
It is an inexpensive way to increase your response rate.