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

فیس‌بوک ابزاری اجتماعی است که افراد را با دوستان و کسانی که در اطراف آنها کار، تحصیل و زندگی می کنند پيوند می‌دهد. افراد از فیس بوک استفاد...

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Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 150 billion archived web pages.

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Vimeo is a respectful community of creative people who are passionate about sharing the videos they make. We provide the best tools and highest quality video in the universe.

Twitter is without a doubt the best way to share and discover what is happening right now.

Academia.edu helps academics follow the latest research.

Zoroastrianism is the oldest of the revealed world-religions, and it has probably had more influence on mankind, directly and indirectly, than any other single faith.

Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and web sites.

Flickr is almost certainly the best online photo management and sharing application in the world. Show off your favorite photos and videos to the world, securely and privately show content to your friends and family, or blog the photos and videos you...