How to Pitch Yourself to a Prospective Employer

lifehacker.com: I only got my two most impactful jobs, each of which opened a number of other opportunities, because I contacted the right person at the right time. One job was at a genetics lab, and the other was a science writing position, and neither was previously advertised; I got them both after sending out lots and lots of emails to lots and lots of people explaining who I was and why I wanted to work for them.