An anonymous reader writes with a story at Ars Technica about the evolution thus far of USB as an enabling technology: Like all technology, USB has evolved over time. Despite being a 'Universal' Serial Bus, in its 18-or-so years on the market it has spawned multiple versions with different connection speeds and many, many types of cables. A casual search around the shelves by my desk shows that I've got at least 12 varieties, and that's not even counting serial and PS/2 adapters. What have you replaced with USB?
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