&#62; If the company you're applying to is upset by you having worked in a proprietary language, they're hiring for the wrong things.<p>In a perfect world, sure. But in the real world, the guy with actual experience in the language/framework used gets an interview first. Then the guy with experience in any language/framework the interviewer immediately recognizes as relevant. Then the guy with experience in something so obscure it's not even on Wikipedia (which Wasabi wouldn't be had Joel and Fog Creek not been famous).