An episode of Ride about scents and smells? Electronic odour detection - or "digital olfaction" - could play a key role in future mobility, believes Aryballe founder & CEO Tristan Rousselle. After all, when your autonomous ridehail vehicle pulls up, the last thing you want it to smell of is...well, you want it to smell nice, right? Hear Tristan talk about the ‘Shazam of smells’, the ‘Spotify of smells’ - and, of course, fish odours.