It seemed at first like a great idea. A television camera was discreetly installed in the apartment-house lobby. When an apartment owner's bell rang, all he had to do was flip his TV set to Channel 4, and the image of his caller flashed on the screen over a specially installed closed circuit. Thus tenant could have a good look at caller before deciding to let him in.
But in the system's first year in four Chicago apartment houses, it turned into what one avid viewer described as "the greatest indoor sport since...
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