Interactive TV Web-based Experience, Web experience on TV) - The average distance from the viewer to the TV is thought to be 10 feet, so interactive television applications, particularly interfaces, are often designed for the "10 foot user experience". On the other hand, the average distance from the viewer to personal computers is thought to be 3 feet so personal computer applications, including webpages, are often designed for the "3 foot user experience".
Watching TV has historically been a 'lean-back', shared experience where web-focused, PC-based and mobile Internet applications are more often a 'lean-forward' single person experience. PC-based interactive TV applications, such as watching TV programming on your PC, also tends to be a 'lean-forward' single person experience.
Various models for web-based interactive television have emerged in an attempt to create a more immersive experience. How do you turn the web experience into interactive TV? Well there's the growing numbers of Internet-connected TV offerings such as Google TV, there's standard Web TVs such as MSNTV, there's the YouTube model for interactive television and of course just watching television programing on the web using technology other than the TV, (such as a personal computer.)
While Web TV browsers might not offer as much functionality as a PC-based browser (though that's changing,) Web TV browsers can be an impressive low-cost alternative to the traditional Internet-connected computerized device. The HDTV on the other hand offers a digital display technology similar to the computer monitor, giving the HDTV more of the definition of the computer monitor. This aids in providing the web experience on TV.
Internet-oriented Interactive Platform