Scientists find a way to send smells through the internet

For anyone who has blind-bought a perfume only to regret it, a fix may be on the way. Researchers from Ohio State University and Zhejiang University have developed a method to transmit scents digitally, effectively letting you smell what's on screen. While still early-stage, it could change how we experience products online.
What scent would you most want to sample before buying online?

