Tens of thousands of fledgling job seekers have spent a great deal of time, effort and money devising video resumes, a variation on the decades-old task of letting a potential employer know a little something about you. However, while the new approach has garnered some sizzle, it lacks substance. “Video resumes are dead because they just do not help companies in the job selection process,” proclaimed Tom Schmidt, president of Resumefit, which provides companies with software to streamline the hiring process.