One-line one-to-many messaging service Twitter is aflame during the South by Southwest Interactive conference. The techies, bloggers, and various citezenry-of-media are pumping the service with constant web, IM and SMS messages. Twitter staffers Jack and Alex tell me that the site, which normally carries around 20 thousand messages a day, broke 60 thousand a day this weekend. This traffic boost should add a strong layer of new permanent users. In the next year, Twitter could make a Facebook-sized blowup among the general public.

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