If there was ever an argument for getting out there and pounding the pavement to look for a job, rather than holing up with your computer and applying for every available online posting, it would be the numbers recently released by Royal Pingdom.
For example, that query e-mail you recently sent? It was one of 294 billion e-mails that went out that day. Your odds of winning the lottery are far better.
And if most of your networking is done on Facebook, join the massive crowd of about 600 million and counting. It obviously doesn't hurt to reach out on social networking sites, but it's all too easy to get lost in the crowd.