
Long before single people began searching for their love match through online dating services, data research companies existed to help the lovelorn weed through the masses. In particular, in the late 1960s, two companies in St. Louis—Data-Mate, Inc. and Computer Data Research Corporation—developed personality questionnaires to assist in locating "ideal" matches.
For $5, a man or woman would complete the Computer Data Research Group questionnaire, send it in, and then wait anxiously for the postman to deliver the important envelope containing a customized list of matches. Read more »