of internet users in the world, which has CAGR (Compound Annual Growth Rate) of 19%, so that the internet users number will reach 215 millions people by 2020. (Google & Temasek, 2016) ❑ Indonesia has potential to become a country with the largest digital economy in Southeast Asia, for both of manufacturing and retail industries. (bkpm.go.id) ❑ Vision of Indonesia 2020: to become Asian Digital Energy with the growth target of e-commerce transactions reaching US$130 billion by 2020 ❑ by digitalization, Indonesia may increase its annual economic value to US$150 billions (McKinsey, 2016)