Producer’s note: CNN Ideas has covered everything from mapping the human brain to 4-D printing. We’ve even looked at cool robots because, well, they’re cool robots. But when we stumbled on Durex’s Fundawear – a long-distance, app-controlled underwear stimulator – we simply had to investigate. The developers in Australia kindly sat down with us on Skype to explain their “future of foreplay.” Would you use this in your relationship?