Usually, I'm not so hot on the vague teasers, especially for Mac software. If you want me to be interested in your movie or your game or your software, just let me know what it does and how, and I'll decide if I want it or not. But what the heck, it's the freakin' weekend, so here's a teaser short for a new RealMac app coming soon called Courier -- not to be confused with the Microsoft tablet.
