Recently, ICT ecosystems are changing rapidly due to the increasing number of innovative products and services in these ecosystems. Among them, SNS is one of the most important elements that make up the ICT ecosystem. With the phenomenal boom of personal SNS, information and knowledge sharing...

The popularity of social networking websites has spurred wide applications of socializing functions in online marketplaces, making them social commerce platforms. In the effort of promoting business and building brand, a large number of small-sized online retailers (e-tailers) increasingly rely...