experience suggests that the old adage that "it's not what you know but who you know" when it comes to finding a job could probably be updated. Thanks to social networking sites such as Facebook, Twitter and LinkedIn, in some industries that can be extended to who you "virtually know" – through websites workers can build contacts with people they may never have met, which means, when it comes to looking for a job, they can tell a lot more people.
via guardian.co.uk