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iPhone App Reviews, iPhone Game Reviews, and iPhone News -- the best iPhone and iPod Touch application reviews, news, new releases, and price drops

For iPhone developers who love their apps, App Annie keeps tabs on your apps, making it easy to track sales, rankings, and reviews from around the world.

AppTweak is the App Store Optimization Toolbox. Get a full ASO report for your app, follow the worldwide ranking, analyze the app marketing of competitors, get yours worlwide reviews & ratings. Discover AppTweak.com now!

Elsevier Author Webshop 提供出版流程所有阶段的各种服务与产品，从而为科学研究及其演示提供支持并使其专业化。

SimilarWeb offers an improved method of navigating the internet as a complementary product that will assist users and improve their internet surfing experience by helping them find similar websites and related content.

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 ...

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...

LibraryThing catalogs your books online, easily, quickly and for free.

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

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Flickriver - view images as a

Find what you want in a library near you with WorldCat, a global catalog of library collections.