Texas Instruments Announces First Commercial Transistor Radio (1954)

The transistor radio remains the single most popular communications device in the world. There are approximately 7 billion compact, portable transistor radios worldwide. The battery-operated devices, which are especially handy during electrical outages, became popular in the 1960s, when prices of some models fell below $10 as markets became flooded with radios from Hong Kong. What modern music player has led to the transistor’s recent decline in popularity?