You're a Listener and you don't get it...
Ok, we're sure that this happens everywhere. Anything left in the breakroom will disappear within 5 to 15 minutes of being placed there. It doesn't matter what it is, it will disappear... unless it's a some of those promotional CDs from the record company of groups no one ever heard of.. they tend to last at least a day or two.
Also remember that the quickest way to gather a group of sales people is to put food of any kind in the breakroom. Within minutes of doing so the sales slugs will show up like a flock of buzzards circling the carcass of some dead animal.