As if advertising wasn't pervasive enough already, Toshiba has come up with a novel way to get us interested in buying its computers through playing giant public video games.
The Japan-only promo is currently running in downtown Tokyo's Akihabara district, where a huge video wall on the side of a building encourages passersby to dial in on their mobile phones to join the fun.
Once logged in, they can control characters in a simple video game shown on the display, with prizes available on the spot for winners.
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However, the twist lies in the fact that the Akihabara folk are actually playing against far-distant users of Toshiba's YouTube channel.
While there are no prizes for the PC users, they do get plenty of exposure to Toshiba advertising, so we're guessing that means everyone's a winner.
The game is still live, so – if you understand the Japanese – feel free to check it out.