[via Smart Mobs] Japan Media Review has an article on three stages of mobile Intranet usage: email, groupware and to access corporate databases. “Instead of firms using mobile phones to access existing ERP (Enterprise Resource Planning) and CRM (Customer Relationship Management) systems, there is a different set of users, many of whom are doing their own systems integration and are the sources of the key innovations. The early applications include delivery, construction, maintenance, and sales and the key technological trends include larger displays, increased processing power and network speeds, Java, and the effect of these on improving the phone’s user interface.”