I know it's quite an old stuff (announ. in May 2006), but it's the first time when I meet it. And it's also a problem I was thinking several times earlier...
In short, content consumers want to be able to do everything on a Palm Treo smartphone or handheld computer that they can do on a home PC.
The problem is that more than 2,500 devices litter the market, making it difficult to write applications that will work on all machines. As it does for so many sectors in high-tech, interoperability remains a stumbling block in mobile technologies.
DIAL, created by companies such as IBM, Nokia and Vodaphone, is the W3C's solution to the problem.
The W3C said the framework offers a way for authors to write content that is more adaptable to disparate devices by describing data, styling, layout and interaction independently.
DIAL was written using existing W3C XML vocabularies and CSS modules, which provide standard mechanisms for representing Web page structure, presentation and form interaction.
... W3C is making this world much better! ...