You need a link to prospective employers. Traditionally, Employment exchanges have been a link between employment seekers and employers. Newpaper advertisements have also helped in this function. There are many job placement agencies.
With the popularity of internet, many employers seek ptrospective employees on internet. By listing with job sites like monster.com, you may get job offer sooner. In course of time, internet will largely replace other agencies/ forums. It is advisable to list with as many job sites as possible for getting better job oportunities.