Here are presented again those search engines from the main list that take a new approach to searching or are specialized in a certain field. They do deserve attention and are always worth trying out. Most likely, in the future, their innovative features will be standard with any SE.
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Search engines using
preview thumbnails
clusters
tagclouds
videos
Exalead* Clusty* Kartoo*5min* Video Tutorials
Optevi* ez2find* Quintura*Sclipo* Video Tutorials
Pagebull* Hakia* Trivop* 1st Videoguide for Hotels
Snap*
Vivisimo*




Specialized search engines:
Search engines respecting your privacy:.

Otherwise noteworthy search engines:
Dabble* specialized on videos ixquick* ChaCha*  uses live chat for search
FindSounds* sound effects, instrumental sounds Scroogle* [G] anonymized Google GoodSearch* donates to charities
Keotag*  social bookmarking search Velvnet* claims to anonymize Powerset*  speech recognition
KinderStart* for parents YaCy* Peer to peer search engine
Kosmix* health and medical specific
Picsearch (DE) pure picture search
Plazoo*  specialized on feeds
Properazzi* Real estate (EU only)
QueryCAT* for FAQs
Scirus* science-specific
Search-O-Rama* articles
Yambot specialized on US search
ZabaSearch US people search