Earlier this week, the New York Times reported on a study by Forrester. The key finding: “Even though just 9 percent of shoppers own tablets, sales from tablets already account for 20 percent of mobile e-commerce sales and 60 percent of tablet owners have used them to shop.” Certainly tablets are set to have a disruptive impact on a variety of services and devices, but it is important to frame “mobile” in the correct light.
The term “mobile” is being thrown around too loosely. Mobility is a relative term, but it is frequently being used in the absolute sense. There are several device attributes that influence the degree to which a device/experience is mobile. These include device size, power or battery life, and availability of content. Size and batter life are self explanatory. The smaller a device the higher degree of mobility it affords users. This of course assumes some constant level of usability. One could easily imagine a device so small it isn’t useful to the end user. In this way, size could have asymptotic characteristics. Size influence on the device’s degree of mobility can also be general (applied to the entire size of the device) or it can be specific to an attribute of the device like screen size, antenna, etc. For power and battery life, the great the longevity of power the greater the degree of mobility provided by the device. Power longevity also doesn’t necessarily mean battery life. The in-vehicle experience readily provides 12V power to devices used in and around vehicles, but these are still mobile devices in the general sense for which we are using it here.
The degree of mobility a device provides is also a function of the content it provides the end user. This content can take many forms and can be delivered in many ways. Content includes video (ie Portable DVD players) and audio (ie portable tape players to MP3 players). It could include maps (ie GPS) or other information (ie data available on the Internet). It can be delivered to the device physically (ie tapes, CDs, DVDs) or digitally. Content delivery influence on mobility is also a function of time. It can be delivered before the device moves into a “mobile” state – this is generally the case with devices requiring physical media. But content is of course increasingly being delivered while the device is in a mobile setting using spectrum. This use to be only really applicable to radio and some TV, but is increasingly applicable to all forms of content. The greater the access to content, the greater degree of mobility the device can provide. …
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