It's all about who you know when it comes to looking for IT work, and with social networking technologies gaining popularity, today the number of people you know can grow exponentially online.

Sites such as Facebook, LinkedIn and Ryze draw volumes of professionals looking to maintain contact with former classmates and colleagues, and hiring companies today are exploiting such sites to find and attract IT talent. According to Forrester Research, some 61% of 25- to 34-year-olds rely primarily on the Internet for job information.

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"Traditional sites are becoming less relevant to job seekers, and employers are getting savvy enough to know they have to go to the candidates' turf if they want to pick from the best available applicants," says Zach Thomas, a senior analyst at Forrester Research. Thomas reported in a Forrester paper earlier this year that most career Web sites fail job seekers in areas such as usability and privacy, but hiring managers are also turning elsewhere to find potential employees.

"Recruiters would rather search LinkedIn or Facebook than go out to Monster because they find more active candidates and less stale information," Thomas says.

That means well-known sites such as CareerBuilder, HotJobs and Monster could become secondary to upstarts such as Doostang, Jobs in Pods and Smuz that aggregate listings from such job boards and provide additional value for job seekers. For instance, Jobs in Pods posts podcast interviews with hiring managers and front-line employees at companies seeking candidates to give applicants more information on job requirements and company culture. Add to that the ability to build relationships online, to stay current on industry issues and to maintain contact with peers and job seekers can create a virtual career network working toward finding the ideal job.

"The Internet has made us much more collaborative by nature, which helps in networking with former and future colleagues," says Katherine Spencer Lee, executive director of Robert Half Technology, a technology consultant and IT staffing firm. "People realize the value of a referral or recommendation, a process that can be sped up significantly with social networking sites."