Twitter is widely expected to make public its IPO documents this week.
All the talk about a Twitter float got us thinking about the fundamental value of Twitter.
What is its true purpose? Who uses it... really? And just how will it make money?
I hit all those points with News Stream contributor Nicholas Thompson, editor of the NewYorker.com. He points out that Twitter is not as titanic as it's often made out to be.
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Catch News Stream with Kristie Lu Stout weekdays at 8pm HKT/ 12pm GMT / 8am ET on CNN International.