If you're not sure whether traditional in-house efforts, an online service, or an offline service is the best way to tackle your staffing needs, perhaps the answer is "D" -- all of the above.

While there is an increasing number of online recruiting services, more candidates are still finding their new jobs by good old-fashioned networking, according to Forrester Research in Cambridge, Mass. So combining the best of both worlds could be the key to maximizing your reach for the most qualified candidates.