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Some seem rather obvious:

"The technology behind one patent allows a site to offer suggestions to consumers for items related to what they're currently viewing, or related to online activities of others in the case of social networking sites.

A second, among other things, allow readers of a news story to quickly locate stories related to a particular subject. Two others enable ads, stock quotes, news updates or video images to flash on a computer screen, peripherally to a user's main activity."



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