This picture taken on September 5, 2016 shows employees working inside the French IT company Linkbynet in Ho Chi Minh City. A decade ago app technology would likely have been developed in California's Silicon Valley, but today those apps are being churned out by Vietnam's startup sector -- an industry driven by local techies trained overseas but returning home to prowl for opportunities. / AFP PHOTO / STR / TO GO WITH Vietnam-technology-economy-startups,FOCUS by Hervé ASQUIN, with Jenny VAUGHAN in Hanoi STR/AFP/Getty Images

This picture taken on September 5, 2016 shows an employee working inside the French IT company Linkbynet in Ho Chi Minh City. A decade ago app technology would likely have been developed in California's Silicon Valley, but today those apps are being churned out by Vietnam's startup sector -- an industry driven by local techies trained overseas but returning home to prowl for opportunities. / AFP PHOTO / STR / TO GO WITH Vietnam-technology-economy-startups,FOCUS by Hervé ASQUIN, with Jenny VAUGHAN in Hanoi STR/AFP/Getty Images

This picture taken on September 5, 2016 shows French (L) and Vietnamese employees working inside the French IT company Linkbynet in Ho Chi Minh City. A decade ago app technology would likely have been developed in California's Silicon Valley, but today those apps are being churned out by Vietnam's startup sector -- an industry driven by local techies trained overseas but returning home to prowl for opportunities. / AFP PHOTO / STR / TO GO WITH Vietnam-technology-economy-startups,FOCUS by Hervé ASQUIN, with Jenny VAUGHAN in Hanoi STR/AFP/Getty Images

This picture taken on September 5, 2016 shows the logo of French IT company Linkbynet at their offices in Ho Chi Minh City. A decade ago app technology would likely have been developed in California's Silicon Valley, but today those apps are being churned out by Vietnam's startup sector -- an industry driven by local techies trained overseas but returning home to prowl for opportunities. / AFP PHOTO / STR / TO GO WITH Vietnam-technology-economy-startups,FOCUS by Hervé ASQUIN, with Jenny VAUGHAN in Hanoi STR/AFP/Getty Images

This picture taken on September 5, 2016 shows an employee working inside the French IT company Linkbynet in Ho Chi Minh City. A decade ago app technology would likely have been developed in California's Silicon Valley, but today those apps are being churned out by Vietnam's startup sector -- an industry driven by local techies trained overseas but returning home to prowl for opportunities. / AFP PHOTO / STR / TO GO WITH Vietnam-technology-economy-startups,FOCUS by Hervé ASQUIN, with Jenny VAUGHAN in Hanoi STR/AFP/Getty Images

This picture taken on September 5, 2016 shows employees working inside the French IT company Linkbynet in Ho Chi Minh City. A decade ago app technology would likely have been developed in California's Silicon Valley, but today those apps are being churned out by Vietnam's startup sector -- an industry driven by local techies trained overseas but returning home to prowl for opportunities. / AFP PHOTO / STR / TO GO WITH Vietnam-technology-economy-startups,FOCUS by Hervé ASQUIN, with Jenny VAUGHAN in Hanoi STR/AFP/Getty Images

Office workers and shoppers walk through Sydney's central business district in Australia, September 7, 2016. REUTERS/Jason Reed

Office workers and shoppers walk through Sydney's central business district in Australia, September 7, 2016. REUTERS/Jason Reed