“…Consumer Willingness leans strongly towards intangible exchange, because customer relationship management [64], customer satisfaction [65], loyalty, trust, etc., are largely discussed in this theme, but tangible resources, for example, web assurance seal services [66], and product and price [67], are still partly within the discussion. The Possible Solutions theme contains abundant intangible content such as political suggestions to encourage government participation [120], an optimization model of the agricultural products' distribution in an e-commerce channel [112], information sharing [117], etc. In the theme of Opportunities and Barriers, papers try to illustrate potential avenues and opportunities through intangible perspectives, for example, by using the SWOT method to describe AE strategies [100], legal regulation of digital development [102], etc.…”