In The value of mobile applications: a utility company study by Fiona Fui-Hoon Nah, Keng Siau, Hong Sheng in Communications of the ACM. Volume 48, Number 2 (2005), Pages 85-90.

Mobile and wireless devices are enabling organizations to conduct business more effectively. Mobile applications can be used to support e-commerce with customers and suppliers, and to conduct e-business within and across organizational boundaries. Despite these benefits, organizations and their customers still lack an understanding of the value of mobile applications. Value is defined here as the principles for evaluating the consequences of action, inaction, or decision. The value proposition of mobile applications can be defined as the net value of the benefits and costs associated with the adoption and adaptation of mobile application

Why do I blog this? well... if we design applications that won't be used because of such problems...