Founder Joshua Schachter, inventor of the Delicious social bookmarking service, said the interaction is will be critical.
But for Pinterest, three months after its launch in March 2010, the visual social bookmarking site has only 3, 000 users.
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Or is it better to use social bookmarking sites like Digg, which promote stories based on user votes and interest?
Steve Chen and Chad Hurley, founders of YouTube, have picked an unlikely new target for their attention in the social bookmarking service.
For the first time, the site has seen more visits than "social bookmarking" site Digg, which allows users to share links to sites.
Following news that Yahoo was laying off about 600 people, BusinessInsider reports that the internet giant is shutting down Delicious, a social bookmarking web site.
Content Curation tools are the next-generation digital content platforms having evolved from content aggregation (gathering links, like Google News) and social bookmarking tools (like Delicious and Digg).
Pinterest, the image-sharing social bookmarking thingamajig, is growing quite rapidly.
In the past few years, it has closed down under-performing and non-core sites like social bookmarking service Delicious, search engine AltaVista, online news aggregator Buzz, and social network MyBlogLog.
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Thanks to the "network effects" of these sites -- you join because your friends are already there -- it'll becoming increasingly hard to compete with the new king, or perhaps queen, of social bookmarking.
"The second you start looking to be 'cool, ' you're dead, " says trendsetter Kevin Rose, the tech whiz behind a host of "cool" products, including social-bookmarking Web site Digg and online video network Revision3.
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