Commerce- Product Type Preference 100% 227% 176% 80% 4% 口 Low Risk口 High Risk Figure I Product type in the commerce domains Internet. Compared to the stationary Internet, the mobile Internet is limited in terms ever, in the case of high-risk products, uncertainty resulting from limited information may outweigh the acquired convenience, forcing customers to search for additional information through the stationary Internet. The higher preference in low-risk products can also be attributed to the instant ava railability of the mobile Internet. In many cases, people buy products through the mobile Internet for convenience. The advantage of the mobile Internet will increase when the resources are available to make all products handy to the user whenever they need them. Business Implications for the communication Domain Results of the preferred types of communication services are presented in Table 2. Pref- erences for various communication services provided by the stationary and mobile Inter- net are very different. Email is the preferred communication service on the stationar Stationary lnternet Moble lntereat (f1) Mobile Internet (2) Moble Internet(13) Rank Items Items I E-mail 69.3% SMS 51.3%SMS 47.2%SMS 52.3% 2 Chatting 5. 8% E-mail 31.1% E-mail 24. 6% E-mail 5.9% E-Card 9.7% Voice Mail 4 Board 3. 6% Voice Ma 4.1% Table 2. Preferred services in the communication domains COMMUNICATIONS OF THE ACM December 2003/ol. 46. No. 12ve 243Internet. Compared to the stationary Internet, the mobile Internet is limited in terms of available resources. When purchasing low-risk products, customers could maximize convenience, despite limited information acquired from the mobile Internet [2]. How￾ever, in the case of high-risk products, uncertainty resulting from limited information may outweigh the acquired convenience, forcing customers to search for additional information through the stationary Internet. The higher preference in low-risk products can also be attributed to the instant availability of the mobile Internet. In many cases, people buy products through the mobile Internet for convenience. The advantage of the mobile Internet will increase when the resources are available to make all products handy to the user whenever they need them. Business Implications for the Communication Domain Results of the preferred types of communication services are presented in Table 2. Pref￾erences for various communication services provided by the stationary and mobile Inter￾net are very different. Email is the preferred communication service on the stationary COMMUNICATIONS OF THE ACM December 2003/Vol. 46, No. 12ve 243 Commerce - Product Type Preference 77.3% 82.4% 22.7% 17.6% 0% 20% 40% 60% 80% 100% Stationary Mobile Low Risk High Risk Figure 1. Product type in the commerce domains. Items % Items % Items % Items % 1 E-mail 69.3% SMS 51.3% SMS 47.2% SMS 52.3% 2 Chatting 15.8% E-mail 31.1% E-mail 24.6% E-mail 34.3% 3 SMS 8.6% Chatting 5.9% E-Card 9.7% Voice Mail 4.5% 4 Board 4.2% Board 3.6% Voice Mail 9.1% Chatting 4.1% 5 Voice Mail 0.9% Voice Mail 2.3% Chatting 4.8% Board 2.2% Mobile Interent (T1) Mobile Internet (T2) Mobile Internet (T3) Rank Stationary Internet Table 2. Preferred services in the communication domains