Twitter May Change to Attract Shareholders

New e-commerce, advertising features could prove Twitter's $14 billion value.

Twitter co-founder Biz Stone, right, talks next to CEO Evan Williams about changes to the social network at Twitter headquarters in San Francisco, Sept. 14, 2010.
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"External events can disrupt the runup to the event," Ackerman said. "You don't want to be out there too long."

Public offerings typically don't happen around summer or winter holidays when investors will be distracted, but Twitter "could break through that fog because it is so high profile," Ackerman said.

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