About this video
This video talks about how Apple started with a device called a blue box that could make free phone calls. It explains how people used sounds to trick phone systems back in the 1970s. Today, phones are much more secure!
🧠 Quiz & Trivia
Test your knowledge after watching!
Q1 What sound was used to trick phone systems?
Answer: 2600 Hertz
Q2 What was the blue box used for?
Answer: Making free long-distance calls
Q3 Who invented a way to make phone calls drop without hanging up?
Answer: A blind boy named Joe Andia
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