Juice is a new Firefox browser plug-in that was just released for public beta testing at the end of October.
Juice allows you to highlight a keyword or phrase and by moving it just a touch (dragging not necessary), Juice opens up a sidebar full of related links from web, images, news, videos and blogs powered by Google.
Implications - The comprehensiveness of a web search today is becoming a major factor in the success of any online company. Despite Google taking the lead, many online companies are still trying their hand at enhancing user experience. Firefox is just one of the players in the web arena crossing boundaries and entering new frontiers, giving Google something to be worried about in the process.