Have you ever applied for a job and been ghosted — no callback, no rejection email, nothing? Ever wondered why that happens? If you’re in the job market, this is one of the most frustrating things you can experience. Not getting proper closure on an application you felt good about can leave you wondering what exactly went wrong that you could fix to make the next one better. We spoke with top job recruiters to find out what they wish every job seeker knows. Here’s what they had to say: 1. Be an expert with a broad knowledge baseIt’s often said that a jack of all trades is a master of none, but…