18. A tangible medium holding computer-executable instructions for customizing data based upon device attributes, the instructions when executed causing a computing device to: provide content in a generic markup language, the generic markup language including tags used to translate the content, behavior of the tags extensible by a content developer for use in content translation based on an identified attribute of a requesting device, the content in the generic markup language convertible into content of multiple programming languages capable of being displayed on a mobile device; provide at least one registry containing device information for multiple types of mobile devices, the information including device attributes for each type of mobile device; and providing a set of rules for translating of the content from the generic markup language into content displayable on the mobile device; receive a request for the content from a mobile device interfaced with the network; identify automatically without user input, based on the request, a type of device for the mobile device; retrieve the device information for the identified type of device from the at least one registry; generate content for the mobile device by: converting the content in the generic markup language into a form of content displayable on the mobile device; applying at least one rule from the set of rules in combination with the device information from the at least one registry to generate content for the mobile device; customizing the converted based upon at least one device attribute in the device information retrieved from the at least one registry; and transmitting the generated content over the network to the mobile device.
18. A tangible medium holding computer-executable instructions for customizing data based upon device attributes, the instructions when executed causing a computing device to: provide content in a generic markup language, the generic markup language including tags used to translate the content, behavior of the tags extensible by a content developer for use in content translation based on an identified attribute of a requesting device, the content in the generic markup language convertible into content of multiple programming languages capable of being displayed on a mobile device; provide at least one registry containing device information for multiple types of mobile devices, the information including device attributes for each type of mobile device; and providing a set of rules for translating of the content from the generic markup language into content displayable on the mobile device; receive a request for the content from a mobile device interfaced with the network; identify automatically without user input, based on the request, a type of device for the mobile device; retrieve the device information for the identified type of device from the at least one registry; generate content for the mobile device by: converting the content in the generic markup language into a form of content displayable on the mobile device; applying at least one rule from the set of rules in combination with the device information from the at least one registry to generate content for the mobile device; customizing the converted based upon at least one device attribute in the device information retrieved from the at least one registry; and transmitting the generated content over the network to the mobile device. 20. The medium of claim 18 wherein the at least one device attribute for the mobile device includes at least one attribute from the group of a memory attribute, storage capacity attribute and operating system of the mobile device attribute.