The noise of the Square Card Reader – On my Om

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Remember the original Square Card Reader that would plug into iPhone’s headphone jack? This is how it worked and what has happened to it since.

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A Letter from Om

A (nearly) bi-weekly dispatch about tech & future.

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Om Malik is a San Francisco based writer, photographer and investor. Read More

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A Letter from Om

A (nearly) bi-weekly dispatch about tech & future.

Email address

Om Malik is a a San Francisco-based writer, photographer, and investor. He has spent three decades in the trenches of Silicon Valley as a journalist, entrepreneur, and, more recently, as a venture capitalist. He has been writing about the commercial Internet since its birth. Read more

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