(ABCNEWS.GO) — The pope is on Twitter, along with the Dalai Lama, world leaders and, of course, Kim Kardashian.
The short-messaging service can bring fleeting fame, instant ignominy and get you fired. It has been credited for sparking revolutions and, like Facebook, transforming the way the world communicates.
But despite the buzz generated by thousands of chatty journalists, athletes and celebrities, Twitter has never turned a profit. Its user base of 302 million is dwarfed by rivals such as Facebook, which counts 1.44 billion.
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Facebook has grown into an Internet powerhouse, while Twitter in many aspects remains a niche social network, unable to convince the masses that they need its service to keep up with what's happening in the world. Lots of people sign up but not a lot stick around.