They don't need retractable mirrors. This message just doesn't cut ice with Industrial Age guys who understand manufacturing industry. Manufacturing after all does not lend itself easily to personalization features and producing 20 or 200 versions of the same product in order to target narrower and narrower markets. Broadcast media does not lend itself well to selling to narrower and narrower markets. As Laura Arlov detailed in her recent interview , when you are designing an Information Age appliance, particularly a wireless PDA or WAP Phone application, you really have to focus your effort and concentrate on taking things out rather than putting them in.
Any idiot can produce a web page which is full of links and packed with features and content.
However, the more and more you add, the harder and harder it becomes to find a specific link or a specific piece of information. With small screen devices such as phones and PDAs this problem is multiplied many times over. In order to deliver a usable, useful Information Appliance, you simply have to understand your target Users and you have to focus on delivering the necessary, compelling features which meet their needs. Anything else is simply getting in the way. With a wireless device, you don't have to put much in, before something is getting in the way.