If you get really curious about search engines and their differences, access one of the following sites.
1) Rollyo
“Rollyo is the fast, easy way to create personal search engines using only the sources you trust… You can explore and save searchrolls created by the community of Rollyo users and share your knowledge on a particular set of topics.”
http://www.rollyo.com/
2) Cha Cha
“ChaCha works with virtually every provider and allows people with any mobile phone device – from basic flip phones to advanced smart phones – to ask any question in conversational English and receive an accurate answer as a text message in just a few minutes.”
http://www.chacha.com/
3) Fact Bites
“Factbites – a new way to search the web.
Other search engines spew out meaningless site-names and mangled phrases.
Factbites offers you real, meaningful sentences that are right on topic.”
http://www.factbites.com/
4) Mamma
The mother of all search engines
http://mamma.com/
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