SINGAPORE: Short Message Service, more popularly known as SMS, is considered by many today as an afterthought, an anachronistic function that should be consigned to the tech scrapheap along with outmoded innovations like the Walkman and CD player. 

After all, with chat apps such as WhatsApp, Telegram and WeChat favoured by consumers, why do we need SMS?

Yet, Mr Kevin Yang has managed to build a business of sending SMS messages – and a sustainable one too – with Hello Technology founded in 1997.

The Singaporean entrepreneur’s story is not one of immediate adoption, rapid expansion and large amounts of investment money thrown at his direction, as

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