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YouTube is a place to discover, watch, upload and share videos.

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

The largest and most trusted free online thesaurus. Quickly find accurate and up-to-date synonyms, antonyms, and related words at Thesaurus.com. Synonym dictionary, antonym dictionary, words synonyms.

Oxford Advanced Learner

Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear audio pronunciations.

URLpulse has a database containing data for hundreds of thousands of US websites. Utilizing our specialized algorithms we make it easy for you to analyse & compare results for any website in the US domain space.

Forvo: the largest word pronunciation dictionary in the world, now with translations. All the words in all the languages pronounced by native speakers

Photo-sharing community. Discover the world through photos.

Music, movies, TV, shows and now friends. Get connected on iTunes 10.

中南大学湘雅肿瘤医院 on academia.edu

Qik, the leading mobile video sharing service, lets you record and share the experience with your friends, family and your favorite social networks (Facebook, Twitter, YouTube) - right from your mobile phone.