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Duckduck go button on google
(discuss.tchncs.de)
A place to discuss the news and latest developments on the open-source browser Firefox
The difference would really just be where to click, and whether you have to have the bookmarks bar enabled. I usually have mine set to only show on the new-tab page.
Also i find it harder to find stuff in the bookmark bar then just a button
oh fair enough, i forgot that some people hide the bookmarks bar because i find it really useful