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INTERACTION DESIGN PRINCIPLES FOR INTERACTIVE ...

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advantage of the participatory aspect of many programs and easily allow viewers feel like<br />

they are part of a larger viewing community.<br />

2.9.3 Constraints<br />

Designing for mobile devices presents a challenge to interface designers. For<br />

example: “Processors get faster, carriers offer more services, bandwidth increases, and it<br />

results in more content being delivered to the user. But the display size doesn’t get any<br />

bigger. How do designers deal with increases in speed and information density, when<br />

they are stuck with the same little screen they had two or three years ago?” (Frauenfelder,<br />

2005).<br />

There is a clear absence of standards and conventions in the realm of designing<br />

for mobile devices, despite there being multiple formats available on these devices (e.g.,<br />

video, SMS, voice, recorded voice, sound, games, graphics, photographs). Also, because<br />

of the relatively simplistic interaction model behind the use of mobile devices, it is<br />

difficult to adapt them for more complex and sophisticated iTV applications. Finally,<br />

revenue is also an issue with premium SMS.<br />

2.10 GAME CONSOLES<br />

Game consoles that come with a built-in Internet connection and / or TV tuner<br />

provide a good example of convergent technologies. For example, Microsoft’s Media<br />

Center Extender for Xbox is a new Xbox title that streams the Media Center PC<br />

entertainment experiences onto a TV or display through the Xbox console. Media Center<br />

Extender for Xbox is a packaged software product from Microsoft that runs as an Xbox<br />

game. It works with a wired or wireless connection to the Media Center PC, and also<br />

supports DVD movie playback.<br />

45

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