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A comment on Introducing DuckDuckHack. Parent comment

Re:Introducing DuckDuckHack by ImJasonH on Tuesday May 01, 2012 @01:50PM (#3915552)
Google offered something very similar to this a few years ago: http://googlesystem.blogspot.com/2007/10/google-search-add-o...

Sadly it seems to no longer be supported.

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Re:Introducing DuckDuckHack by eurleif on Tuesday May 01, 2012 @01:54PM (#3915578)
Your link also mentions that Google has a patent on this (patent no. 20070239716). Interesting.
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Re:Introducing DuckDuckHack by frisco on Tuesday May 01, 2012 @04:13PM (#3916187)
(That's a publication number, not a patent number. Notice that it starts with a year. Issued patent numbers are sequential.)
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Re:Introducing DuckDuckHack by eurleif on Tuesday May 01, 2012 @04:53PM (#3916315)
Oops, you're right. The patent number is 7593939.
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Re:Introducing DuckDuckHack by blairbits on Tuesday May 01, 2012 @01:55PM (#3915582)
Thanks for the link! I had no idea this ever existed.
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