This is the most horrifying ad ever. It's for the Playstation 3, done by the geniuses at TBWA\Wien in Vienna, Austria. I don't know if it ever ran anywhere,
but it's definitely a legit Sony advertisement. You don't want to see it, trust me. Look, I won't even tease it, I'll tell you what it is so you don't have to look at it. It's a guy who has a thumb for a penis. There, I told you what it is and now you won't have to look for yourself. But you will, won't you? And you'll regret it. But I warned you. Never say I didn't warn you. And yes, this is NSFW if you haven't figured that out already.
Update: Sony says this isn't an official ad, so it may be a concept whipped up by TBWA. We're looking into its actual origin and will let you know.