The "one-size-fits-all" resume simply doesn't work any longer. The most effective resume 'speaks' to the reader.
If your resume is in response to an advertised opening, it must reflect the exact needs profiled in the ad.
If it's sent to a targeted group of companies, it demonstrates how you can make them money, save them money, and increase their efficiencies.
If it's a networking resume, it addresses the type of problems your contact's peers are likely to be facing.
But, before you can write any of these types of resumes, you must create a master document from which you can cut and paste the needed information.
Here is a form you can use to create your "master" resume: Download Quick Resume Worksheet