before I started using duckduckgo I was using ixquick.com for my everyday online searches, instead of Google-Spy.
After a while I had to notice there, that my searches didn't include everything or never got a match, while others, like duckduckgo, could fetch my answer.
The thing I really liked or still like on ixquick is the possibility to make a search and then view the actual result in a Proxy!
It would be pretty if duckduckgo will offer such an option too, soon! :)
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(Edit for a Mod: I may broke your forum-rules while posting the link of my website below in another answer, if so, please remove just the link, but leave the post. I did edit all other postings, which I could, to hopefully meet all rules. Thank you!)