Priority becomes particularly important when you consider patchy 3G coverage and expensive data plans. Consider what the user most needs to do, and design for that. Search? Prioritize the search box. See the latest headlines? Place them at the top of the page. Find a suitable location? Your clickable world map may no longer be the best interaction method. Task models (see Chapter 12) become ever more important as you prioritize. If you know what users need in their particular context, you can design for it.