When nearly 450 people applied to be my writing assistant, the hiring process could have swamped my business. Here's how I narrowed the field.A few months ago, I ran an ad seeking a writing assistant to help me with my book projects and my ghostwriting business. I was overwhelmed by the response. Nearly 450 people applied, many of them very well-qualified.Maybe I shouldn't have been so surprised. The news often highlights examples of companies advertising a handful of jobs, only to be crushed with hundreds of applications.