LinkedIn Links With Apps

LinkedIn is the latest social networking site to to offer third-party applications to its users. As befitting a site for professionals, the first batch of nine apps released are all about business, not throwing sheep.

They include a "reading list" app from Amazon, a file-management tool from Box.net and a travel-tracking app from Tripit. Not just anyone can put up applications on LinkedIn. Developers and companies have to go through a careful screening process before their apps are approved. External ads aren't allowed either.

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