Applications that rely on mobile devices for user interaction must be mindful of the user{textquoteright}s limited attention, which will typically be split between several competing tasks. Content delivery in such systems must be adapted closely to users{textquoteright} evolving situations and shifting priorities, in a way that cannot be accomplished using static filtering determined a priori. We propose a more dynamic context-driven approach to content delivery. We demonstrate our approach using Scatterbox, a pervasive computing application we have developed which performs sensor fusion to derive a user{textquoteright}s current situation. Based on the user{textquoteright}s level of interruptibility, Scatterbox prioritises and forwards relevant messages to their mobile phone. We draw conclusions from a preliminary evaluation of the system.
