Less than 24 hours after the launch of OpenSocial, not only was it running live in Plaxo, but there were already several first-class gadgets from top developers like RockYou and Slide. "This is just the beginning - there's so much more to do to truly open up the social web," wrote Plaxo's Joseph Smarr, in his personal blog on web development, tech, and life.

"OpenSocial is a huge milestone," Smarr - who is Plaxo's Chief Platform Architect - continued, "not only because so many large players are now supporting the open social web, but also because the launch was so large and successful that it introduced a ton of people to the concept of open and got them thinking about what more could be done here."

He ended his blog in high spirited fashion: "It’s an incredibly exciting time, and you can bet I’m going to keep driving things the best way I know how: by talking about the vision, and then backing it up by shipping real code."

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• The OpenSocial Era of Cross-Network Social Applications Begins
• Microsoft Silverlight Jives With Google's OpenSocial
• Fifty Million Facebook Users Don't Care About Google's OpenSocial APIs
• Google's OpenSocial: A Technical Overview and Critique
• Social Applications Update: OpenSocial and Plaxo - What a Week!