Even more difficult
Was taking a picture of your genitals. There was no digital photography and emailing/tweeting/etc. If you didn't have a Polaroid, you had to get a normal camera, take a shot of your junk, and take it to the drugstore and hope the "cool" clerk would be developing your film so you didn't get in trouble. Wait a week, go pick up the pictures, find the best shot of Mister Happy, put it in an envelope, and mail it to your love interest then wait for a reply - hopefully by phone (1-2 days) or by letter (up to a week).