When Elena walked onto the platform, the transition from the glowing screen to the physical world was jarring. He was taller than his profile picture suggested; she was more radiant than the low-res JPEG could ever capture. For a moment, they were strangers. Then, she smiled—the same smile she had sent him in a dozen emoticons—and the distance vanished. A 2001 Time Capsule Their summer was a blur of: CD Walkmans with one earbud each.