Perplexing the business-model hungry pundits with a difference of just one letter, Twitter CEO Ev Williams surprised the crowd today at his SXSWi keynote by announcing not an Ad platform but an @ platform, a way to further integrate Twitter's data into third party platforms without implementing an API.

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A few lines of javascript will now further aid niche Twitter clients like Co-tweet, which take the Twitter model to provide B2B services that would be impossible to implement solely on Twitter's own platform.
 

Credit: Shannon Cottrell

Credit: Shannon Cottrell

“A window is transparent but a door is open, we're trying to be like a door,” Evan said.

A door that will hopefully add value (which in these specific cases means traffic/sales) to the

Ev Williams; Credit: Shannon Cottrell

Ev Williams; Credit: Shannon Cottrell

Credit: Shannon Cottrell

Credit: Shannon Cottrell

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