President Bukele visits Tesla to discuss the future of AI, Bitcoin, and El Salvador’s emerging role in tech innovation with Elon Musk.

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People today are listening to music on their headphones and earbuds nearly everywhere; on trains, buses, planes, and many more. But only about 100 years ago, headphones didn’t exist yet. In fact in 1895, the Electrophone allowed subscribers to listen in on live performances over phone lines and cost, in today’s dollars, around $800 a year – that’s more than 6 times what Spotify costs today. The first real headphones, however, were made in 1910, by Nathaniel Bladwin, who sold the first 100 pairs to the U.S. Navy, in 1937, the Beyerdynamic DT-48 was the first dynamic headphones available for

The post How Headphones Have Changed the Workplace Forever appeared first on The Merkle Hash.

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