In this era of LinkedIn and software processing your resume, cover letters seems like a relic. But hop over to here and read this one: Benedict Cumberbatch Reads “the Best Cover Letter Ever Written” | Open Culture.
It’s a treat to hear Cumberbatch read it, but even if you don’t, go and relish that one. You might want to write you own afterwards and send it unsolicited to organizations. They might enjoy it and want to have a chat with you!