Mobile World Congress turns an otherwise interesting city into an overpriced sewer overrun with suits. Have witnessed the inside of more taxis and limos than I care for this past week and came across this sewer-steward mounted a dedicated music player jacked into the car’s audio system. Using mobile phone map navigation apps in vehicles is pretty standard practice, to its rare to see dedicated mounted audio players. How personal systems continue to invade in-car systems, and what it means for the latter.