I do a _lot_ of recruiting - either direct for clients (i.e. wearing a recruiter hat and filling their positions) or indirect for my consulting firm (i.e. people who will help us meet our client's needs). In doing so, I place a lot of ads on CL and personally read hundreds of resumes and notes each month. I read every CL mail myself. Before this, I spent 10+ years hiring at various BigCos and MedCos. So it's one person's opinion, but I do know what I'm talking about.

If you're applying for a position on CL (or, really, anywhere), it is _absolutely_ worth spending five minutes doing _something_ that shows that you've actually read something - the job description, the company's bio, their videos of their technology, something. I'm reading a lot of people arguing their way out of doing so below, and I'll tell you that I'm happy for your ability to argue but you will miss out on great things (and you can hardly ever know great things from a job description) by not spending five minutes. I don't care about a fancy or detailed cover letter, but if you just submit a generic sentence and a resume, you've done nothing to make an initial positive impression - which is why you're applying in the first place. This does not take a lot of work, it's just called being thoughtful.

You don't really know who's reading your submission - could be an HR person, could be the hiring mgr, could be the CEO - but every one of those people has a vested interest in finding somebody who gives a crap, and has limited time.

(And yes, the article is a waste of pixels.)