"By now, on traditional computers, we know how to find the information we seek, whether via sites like Google, Wikipedia, or through social networks. On mobile, however, our information needs and habits shift. On the go, we typically want smaller bits of information quicker, usually calibrated to our location. We are less likely to engage in longer discussion, and more likely to add questions in the hopes that machines, crowds, or some combination can produce relevant information. This shift has opened the floodgates of activity in the personalized search and Q&A space, with an impressive number of new applications vying for user attention in a crowded marketplace." - from here
I think it is a great task - collect fragmented data about my current place on mobile. Mashup of mashups for mobile world.