Filed under: CellphonesVirtually every smell-based tech that's come through the pipe has fizzled out in one way or another, but that checkered past isn't stopping Germany's ConVisual from partnering with the Institute of Sensory Analysis and Marketing on scent-delivery chips for cell phones. The partnership has been running for eight years and just received a patent on the tech, and the goal now is to start building the chips into phone within the next two years. The chip is initially supposed to have 100 different smells on it, and ConVisual says bad smells are a possibility as users will be able to reject certain messages. That's certainly intersting, but we've got to say, we're not a