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The Twitter Web site displayed on a laptop computer. - 

The average sentence length of a Twitter message is 1.40 sentences. Gerunds are more popular on Twitter than off. The second most popular word on Twitter is "I."

These are a few of the things the Oxford English Dictionary has learned by studying millions of Twitter messages.

Guest: Jesse Sheidlower, editor-at-large of the OED

This segment originally aired June 8, 2009