How many times have you used Citymapper or Google Maps to guide you to a destination, only to get lost all over again?
Large venues, like shopping malls, universities and hospitals, can often require navigation that extends far beyond the front door.
Lisbon resident Joao Fernandes, 46, is tapping into it.
His B2B app, Buzzstreets, combines a number of data sources and in-house-developed tech to provide mapping and navigation services for indoor and outdoor environments.
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