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Editor's note: Pete Cashmore is founder and CEO of Mashable , a popular blog about social media. He writes a weekly column about social networking and technology for CNN.com . London, England (CNN) -- Facebook dropped a bombshell on the tech industry last week in the form of a Web-wide "Like" button and the launch of the "Open Graph."
s nightmare: Facebook 'Like' replaces links - CNN.com
Flash photo gallery - PicsEngine
Visual navigation A photo gallery need to be visual. The photos are the important thing!
52 Incredibly Useful Sites: The Full List - PCWorld
Illustration by Otto Steininger You know all about Google's smorgasbord of Web tools, but have you tried Measy, Topicfire, or Yammer? While a few big names seem to dominate the Internet, the Web continues to flourish with a never-ending stream of incredibly useful new sites and services. PCWorld' s editors never stop scouring the Internet for the best and most creative new ideas we can find.