Zembly allows users to easily create and host social applications like widgets and Facebook apps directly in the browser. It provides an IDE-like editor for writing code in HTML, CSS, JavaScript and other languages to build applications that can tap into social networks. Users can also create reusable services containing business logic to be published and used by other applications. Once built, applications can be automatically published and hosted on Zembly for use on social platforms.

1. Building Social Applications using “zembly” Brian Ko

2. Topics Popularity of Social networking Impact of social networking to software development What is “zembly”? Things you can build/publish using “zembly” Summary and current status 1

3. Social Networking Phenomenon Social networking is rapidly growing with more than hundreds of millions users > Facebook, MySpace, orkut, LinkedIn, Meebo, Friendster, Twitter... Primary means of mass communication among 13-30 years old generation 2

4. Why Do You Care (as Developers)? Social networking offers developers unprecedented opportunities to build social applications that can reach millions of users overnight. Different metrics are emerging for determining value of an application > “Size and features” to “How much usage it gets” 3

5. Emerging Changes in the Software World Participation model to the software development is changing > “Traditional models involving mostly software developers” to “new models that involve everyone” 4

6. Emerging Changes in the Software World The social platforms have emerged as viable development and deployment platform > Applications are being developed and deployed over the popular social platforms 5

7. Why Social Platforms Provides application development and deployment right on the web > Removes the complexity of deployment process Exposes social networking facilities to applications as ready to use services or widgets > Profile, friends, rating system, etc. 6

8. Why Social Platforms Builds an Eco-system of applications, developers, and users > Applications deployed are becoming the part of the Eco-system, thus enhancing the value of the social platform 7

9. Where is the future Application Growth? 8

10. Where is the Future Application Growth? Non-traditional apps > Widgets, Social apps, iPhone apps, Mashups, Situational apps Characteristics of these apps > Usually small > Developed by casual developers > Quick to build, easy to deploy What causes this trends? > Popularization of the social platforms: Facebook, MySpace, Orkut, Meebo, Orkut, etc. 9

11. Zembly “ zembly” is the place to create social applications, together > “zembly” allows users to easily create and host social applications of all shapes and sizes, targeting the most popular social platforms on the web 10

12. Zembly Think of “zembly” like Wikipedia for social applications > a wiki for live, editable code that is more than just about trivial widgets, but rather about full-fledged social applications that can tap into the social graph and reach millions of users. 11

13. Browser-based development IDE-based editor running in the browser (X)HTML, CSS, JavaScript, FBML support Dynamic API search & invocation 1-click publishing onto the web Automatic hosting 12

14. Zembly Enables Social Programming Collaborative creation of social applications Fine-grained reuse of artifacts News feed, Contacts, Custom profile page, Messaging, User ratings, Favorites, Comments 13

15. You can create these with Zembly Services Widgets Appplications for >Facebook, Meebo, iPhone, OpenSocial, Orkut, MySpace 14

16. What is a Service? Contains business logic Written in JavaScript Can be published so that others can call it > “zembly” creates a deployable web service and deploys it in it own container Can take parameters 15

17. Creating a Service Write business logic in JavaScript > Using IDE-like JavaScript editor: code completion, syntax checking, format, code snippet, change history Set up parameters Find and use other services Handle error conditions > You can use built-in validation Test the service Publish the service > Version control 16

18. What is a Widget? Widgets provide a user friendly component that you can embed in a web page Made of > (X)HTML > CSS > JavaScript 17

19. Example: Creating BuddyWeather 18

20. Creating BuddyWeather 19

21. Summary “ zembly” is a Wikipedia of social applications Using just browser, you can create and publish services, widgets, Facebook apps, Meebo apps, OpenSocial apps, iPhone apps, Google gadgets, and other social applications www.zembly.com 20

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