V, I suspect a bit of sarcasm but I'll bite anyway. The video link is of the news clip they showed about the truffle, not a 'webcam' showing the slow frame by frame decay in action.
You know, kinda like: There's A Fungus Among Us! Film at 11.
Oh, and as far as the moldy cheese in your fridge, here's a news flash for ya. Basically, cheese is milk that's past it prime.