Dozens of social networks have adopted OpenSocial, so your app can reach hundreds of millions of users around the world. For the latest list of sites where you can run your social apps, see the containers page on the OpenSocial wiki.

Looking for tips on how to develop successful OpenSocial applications? Want to learn how to develop for multiple containers or monetize your apps? Check out the following stories and learn from experiences of these highly successful app developers.

	Immense User Reach by RockYou Apps RockYou is one of the leading OpenSocial application developers with a large portfolio of successful applications across many social networks such as MySpace, hi5, orkut, and Friendster. Their apps have a combined reach of hundreds of millions of users thanks to OpenSocial. Jia Shen, CTO & Co-founder of RockYou.com, and Raymond Chan, Platform Architect, recently shared with us their experience in OpenSocial. Get the full scoop here.
	BuddyPoke Animates 3D Self Expression Powered by App Engine BuddyPoke is an application that enables self expression with 3D avatars and animations. It is developed by Dave Westwood and Randall Ho using OpenSocial technology augmented by their proprietary 3D Flash engine. It has been so wildly popular on both orkut and hi5 that its creators needed a super scalable backend to support its growth. Luckily Google App Engine came to the rescue. Read more and see a demo of the app.
	Billions of Buzzes in PhotoBuzz App PhotoBuzz is one of the top applications created by Oxylab that has facilitated billions of user-to-user interations in the form of photo buzzes on hi5 and orkut. They have managed to successfully scale their traffic growth with load balanced web servers and MySQL servers. Lalit Sarna, CEO of Oxylabs shares key learnings from developing OpenSocial applications as well as his view on the future of OpenSocial. Read more.