A voir le week end
Get flash to fully experience Pearltrees
Facebook's Web-wide "Like" button may spell trouble for Google Facebook recently added button to let people recommend Web sites to friends "Like" feature is more social version of Web link But search engines may not have access to data about recommendations 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 .
Visual navigation A photo gallery need to be visual. The photos are the important thing!
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.