http://www.chicagotribune.com/business/sns-rt-us-google-duckduckgobre8al00i-20121121,0,6650221.story
He also said his company had tried to buy the duck.com domain from its previous owner, On2 Technologies, but was rejected. Google eventually acquired the domain when it bought the entire company, and redirects duck.com traffic to Google.com.
"It only started redirecting after we inquired about (buying the domain name)," said Weinberg. "It causes confusion."
A Google spokeswoman said the company acquired On2 in 2010 and then pointed duck.com to Google's homepage, "just as we have for many domains we've gotten through acquisitions."