Vietnam’s locative audio platform Echoes seeks deals with local organisations Nguyen Thi Bich Ngoc March 30, 2015 PremiumEchoes, a Vietnam-based startup that transforms the tourism experience through its geo-locative soundmaps, has generated interest from incubators, the press and the local community. Continue reading this story with a subscription to DealStreetAsia. Subscribe Already a subscriber? Log in Should your colleagues be reading this article too? Contact us for corporate subscriptions at firstname.lastname@example.org.