By Ian Bush

PHILADELPHIA (CBS) – For some fans, waiting in line for autographs is so last century. They’re doing so online, looking for a digital keepsake.

For 16-year-old Christina, it would mean the world to get a tweet from her favorite boy band. “I would faint — I honestly would faint.  I’d be so happy, I wouldn’t know what to do.”

“It would mean the world to me — I’d probably cry my eyes out.”

Never underestimate the tenacity of teenage girls — especially when it comes to Twitter. These teens came from West Chester to see One Direction in concert in New York City, but they tweet the British boys like there’s no tomorrow.

Girl: “I’m not even kidding. I have over 12,000 tweets to them.”

Their one-day record? “375!”

But after more than 12,000 total tweets, still no love from their favorite boy band.

“No, not yet.”

But there is hope.

Girl: “They haven’t responded to me, but like, they were talking to fans earlier.”

Chris has had better luck, “LeShawn McCoy has tweeted me, Common, half the Eagles team.”

To attract actors and sports stars, the Temple junior keeps tweeting questions or offering praise. The payoff is better than an autograph, he says.

“It’s like you’re getting appreciation for something you’re saying. Maybe a celebrity or famous person values your words.”

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