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 fr...

foursquare

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

Prezi is the zooming presentation editor

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

Android and Windows Mobile Developers - The Largest Community for Smartphone Hacks and Development of Apps

Flickr is almost certainly the best online photo management and sharing application in the world. Show off your favorite photos and videos to the worl...

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同步你的Instagram照片到人人、豆瓣和饭否，支持iPhone/Android客户端