more info at Opera: http://my.opera.com/ruario/blog/2011/10/19/the-hidden-feature-of-11-52-duckduckgo-is-added-to-opera http://my.opera.com/ruario/blog/2011/10

more info at Opera: http://my.opera.com/ruario/blog/2011/10/19/the-hidden-feature-of-11-52-duckduckgo-is-added-to-opera http://my.opera.com/ruario/blog/2011/10/19/the-hidden-featur...