They think it's pointless, narcissistic. Some don't even know what it is.
Even so, more young adults and teens — normally at the cutting edge of technology — are finally coming around to Twitter, using it for class or work, monitoring the minutiae of celebrities' lives.
It's not always love at first tweet, though. Many of them are doing it grudgingly, perhaps because a friend pressures them or a teacher or boss makes them try the 140-character microblogging site.
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