More ideas from Clue
The logo for the telecom company Oi looks straight out of The Electric Koolaid Acid Test. Trippier still? It responds to sound.

South American telecoms company Oi identity by Wolff Olins, User-genrated logo that reacts to the sound of the customer's voice.

Citation: Poster advertising RCA Victor radios, detail, 1937. John Vassos papers, Archives of American Art, Smithsonian Institution.

Wouldn’t you want to buy a product that had a magic brain AND a magic eye? Poster advertising RCA Victor radios, detail, John Vassos papers, Archives of American Art, Smithsonian Institution.