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		Twitter: Don't Worry, But IBM Might Sue Us (theatlanticwire.com)
		2 points by dangrossman on Nov 4, 2013 \| hide \| past \| favorite \| 1 comment

erkose on Nov 4, 2013 [–]

U.S. Patent No. 6,957,224: Efficient retrieval of uniform resource locators

U.S. Patent No. 7,072,849: Method for presenting advertising in an interactive service

U.S. Patent No. 7,099,862: Programmatic discovery of common contacts.

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