With LinkedIn, it’s becoming clear that the audience it has aggregated is creating exactly the kinds of opportunities that could be the foundation of an amazing resource soon. It currently boasts 24 million users in 150 industries. Already, LinkedIn is moving rapidly to serve its fast-growing user community:

How fast is it growing? According to these data from Nielsen, LinkedIn is the fastest-growing social networking site (as of April 2008):

Of course, LinkedIn still has a long way to go before it catches Facebook or MySpace, but the gap is not insurmountable. (An aside: interesting article on Facebook as Portal 2.0. LinkedIn is playing the same game.)

Also, LinkedIn has a different audience — professionals. An older article states that the average LinkedIn user is 39 years old and makes $139,000 per year. Facebook may have some of that audience, MySpace less. It’s the audience that matters. Applications like those listed above and others are not the defining characteristic of LinkedIn. Anyone can make the technology, but LinkedIn has the people.

The Society for Scholarly Publishing has a group on LinkedIn. Many other professional groups are starting up.

Welcome to Office Space 2.0. Anyone have a red stapler?

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