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Neuromarketing goes mobile with this lightweight, dry, and iPhone- or iPad-compatible new device from NeuroFocus.

IBM announced the first batch of cities this week awarded grants as part of the company's three-year, $50 million Smarter Cities Challenge . The recipients --including New Orleans, Newark, Rio de Janeiro, and Jakarta--are diverse, to say the least. So how did they end up with IBM's attention, and what happens now?