Following a UK field study, 70% of users decided not to continue using WAP mobile phones. Mobile's killer app is killing time; m-commerce's prospects are dim for the next several years. Current services are poorly designed, have insufficient task analysis, and abuse existing non-mobile design guidelines.| Nielsen Norman Group
A single mobile screen with almost no features still required 10 design changes to meet usability guidelines for mobile websites.| Nielsen Norman Group
To decide whether to visit a page, people take into account how much relevant information they are likely to find on that page relative to the effort involved in extracting that info.| Nielsen Norman Group
Mobile devices require a tight focus in content presentation, with the first screen limited to only the most essential information.| Nielsen Norman Group