http://tags.gawker.com/assets/base/img/thumbs140x140/gawker.com.png http://gawker.com/tag/valleywag/sparkcapital http://gawker.com/tag/valleywag/sparkcapital The favorite downtime-riddled platform for sharing the lumps life gives you in 140 characters or less, Twitter, has received a hot investment infusion of an undisclosed amount from Amazon founder and CEO Jeff Bezos and Bijan Sabet of Spark Capital. Spokesperson Biz Stone promises everyone that "Twitter will become a sustainable business supported by a revenue model," though they must have been a bit more specific when pitching to Bezos and Sabet. Sabet, for his part, earned himself a seat on Twitter's board with the deal. [Twitter Blog]

]]> http://gawker.com/index.php?op=postcommentfeed&postId=5019329&view=rss&microfeed=true A venture capitalist involved in the deal confirms the news that Twitter is closing a $15 million funding round led by Spark Capital and Union Square Ventures, setting the company's value at nearly $100 million — $80 million before the new investment, $95 million after. Twitter founders Biz Stone and Evan Williams can put some of that new cash toward keeping the site up longer. Perhaps by hiring back former Twitter chief architect (not CTO) Blaine Cook who yesterday wrote that "Twitter is dead to me (until IM comes back). Frustrated, because it's not a difficult service to restore."

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