1. A handheld computer comprising: a display; an antenna; a local memory configured to store sets of predefined data comprising executable wireless applications, each wireless application representing a static portion of a different website; and a processor configured to: present on said display service icons corresponding to said wireless applications; in response to user activation of a displayed icon, execute the corresponding wireless application stored in local memory; render a query form stored in local memory for the selected website associated with that wireless application; generate a query based on user-input to the query form; send a wireless communication over the antenna for the selected website, the wireless communication comprising the query with the user-input; receive a response over the antenna, the response representing dynamic data originating from the selected website; and present one or more pages on the display comprising static data derived from the set of predefined data for the selected website and dynamic data derived from the response received over the antenna from the selected website.