5/26/2009

The microblogging company is growing so rapidly that it's having trouble hiring, among other hiccups. Costs are growing, and the founders are still trying to figure out Twitter's business model, The Wall Street Journal reports. It seems every tech company wants a piece of Twitter, USA Today adds, but the company has yet another hurdle: About 60% of the 32.1 million Twitter users become "Twitter quitters" within a month.

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