1. Top 5 Tips for Building Viral Social Web Applications and Sites Jonathan LeBlanc Developer Evangelist Email: jleblanc@x.com Twitter: @jcleblanc

2. Programming Social Applications Building Viral Experiences with OpenSocial, OAuth, OpenID, and Distributed Web Frameworks http://shop.oreilly.com/product/0636920014201.do Foundation for socializing applications and websites. Open Source foundation.

3. Using Open Source Solutions The foundation for “Programming Social Applications” Open source is not the be all end all, it’s simply a solid foundation.

4. The Core Principals Build for the relevant social & interest graphs Understand your sharing model and integrate early Use the work that other companies have invested in Build for all available outlets Use emerging social technologies

5. The Core Principals Build for the relevant social & interest graphs Understand your sharing model and integrate early Use the work that other companies have invested in Build for all available outlets Use emerging social technologies

6. Build for relevant graphs A Poll When do you integrate social outreach channels in your products?

7. Build for relevant graphs What do social and interest graphs consist of?

8. Build for relevant graphs Understanding Relationship Models Follower Model Connection Model Group Model

11. Build for relevant graphs WebFinger: Origin through the finger protocol finger jleblanc@x.com Login name: jleblanc In real life: Jonathan LeBlanc Home phone: 123-4567 Office: San Jose, CA Last Login: Tue Oct 4 12:41 on ttys000 jleblanc@x.com http://www.jcleblanc.com

12. Build for relevant graphs WebFinger: How it Works

13. Build for relevant graphs WebFinger: How it Works

14. Build for relevant graphs WebFinger: How it Works

15. Build for relevant graphs WebFinger: Performing WebFinger Discovery curl http://gmail.com/.well-known/host-meta <XRD xmlns='http://docs.oasis-open.org/ns/xri/xrd-1.0' xmlns:hm='http://host-meta.net/xrd/1.0'> <hm:Hostxmlns='http://host-meta.net/xrd/1.0'> gmail.com</hm:Host> <Link rel='lrdd' template= 'http://www.google.com/s2/webfinger/?q={uri}'> <Title>Resource Descriptor</Title> </Link> </XRD>

16. Build for relevant graphs WebFinger: Performing WebFinger Discovery curl http://www.google.com/s2/webfinger/?q=nakedtechnologist@gmail.com The User Profile: http://www.google.com/profiles/nakedtechnologist The portable contacts link: http://www-opensocial.googleusercontent.com/api/people/118167121283215553793/ The public Google Buzz feed: https://www.googleapis.com/buzz/v1/activities/118167121283215553793/@public

17. The Core Principals Build for the relevant social & interest graphs Understand your sharing model and integrate early Use the work that other companies have invested in Build for all available outlets Use emerging social technologies

18. Understanding your sharing model The real life versus online social graph

19. Understanding your sharing model Sharing Models The Opt-in Model The Opt-out Model

20. Understanding your sharing model Case study: The oversharing application

21. Understanding your sharing model Example Technology: PubSubHubbub http://code.google.com/p/pubsubhubbub/

22. Understanding your sharing model PubSubHubbub: How it Works

23. Understanding your sharing model PubSubHubbub: How it Works

24. Understanding your sharing model PubSubHubbub: How it Works

25. Understanding your sharing model PubSubHubbub: How it Works

26. Understanding your sharing model PubSubHubbub: How it Works

27. Understanding your sharing model Example Technology: The Salmon Protocol www.salmon-protocol.org

28. Understanding your sharing model The Salmon Protocol: How it Works

29. Understanding your sharing model The Salmon Protocol: How it Works

30. Understanding your sharing model The Salmon Protocol: How it Works

32. How does the publisher prevent spam or abuse?

34. LRDD (Link-based Resource Descriptor)Provider verifies signature via public keys obtained during discovery.

35. The Core Principals Build for the relevant social & interest graphs Understand your sharing model and integrate early Use the work that other companies have invested in Build for all available outlets Use emerging social technologies

36. Use Existing Technology Don’t reinvent the wheel!

38. They created their own OAuth implementation since we did not have an appropriate SDK.

40. Use Existing Technology Open Graph Protocol: How Web Semantics Work

41. Use Existing Technology Open Graph Protocol: How Web Semantics Work Geo <span class="geo"> <span class="latitude">52.48</span>, <span class="longitude">-1.89</span> </span> vCard <div class="vcard"> <div class="fn">Joe Doe</div> <div class="org">The Example Company</div> <div class="tel">604-555-1234</div> <a class="url" href="http://site.com/">http://site.com/</a> </div>

42. Use Existing Technology Open Graph Protocol: Vision of the Semantic Web

43. Use Existing Technology Open Graph Protocol: Reality of the Semantic Web

44. Use Existing Technology Open Graph Protocol: What Changed

45. Use Existing Technology Open Graph Protocol: The Metadata Format <html xmlns:og="http://ogp.me/ns#"> <head> <title>Restaurant at Wente Vineyards – Livermore</title> <meta property="og:url" content="http://www.yelp.com/biz/gATFcG9HTaXJpg"> <meta property="og:type" content="restaurant"> <meta property="og:title" content="The Restaurant at Wente Vineyards"> <meta property="og:image" content="http://media2.px.yelpcdn.com/iVSnIs"> ... </head> ... </html>

47. Location

48. Contact Information

49. Video Data

50. Audio Data

51. Objects

52. Activities

53. Businesses

54. Groups

55. Organizations

56. People

57. Places

58. Products and Entertainment

62. Build for all available outletsOpenSocial View Foundations Profile Full Home

63. Build for all available outletsExample Technology: Activity Streams Defines a social activity Platform agnostic Integrated into OpenSocial

64. The Core Principals Build for the relevant social & interest graphs Understand your sharing model and integrate early Use the work that other companies have invested in Build for all available outlets Use emerging social technologies

67. Use emerging social technologies A Poll Do you or your companies allot time for emerging technologies?

68. Use emerging social technologies Authorization Systems – OAuth 1 Authorize applications and sites to do something on your behalf. Signing done on side of integrator. Lengthy integration process.

69. Use emerging social technologies Authorization Systems – OAuth2 Significantly improved integration time. Communication over HTTPS

70. ? Questions Jonathan LeBlanc Twitter: @jcleblanc E-Mail: jleblanc@x.com http://www.slideshare.net/jcleblanc