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From CNN.com - Technology:
Imagine stepping onto a cold, windy platform at 2 in the morning and waiting just a few seconds for the transit car to show up.
Imagine getting in the car and zipping right by stations as you go directly to your destination.
Imagine always having a seat on the train.
Believe it or not, you're imagining a concept that's more than 50 years old, but still very rare in the real world.
Read the whole article
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