A profound transition is taking place in our interactions with technology. If the last ten years were about getting all the information you need at your fingertips, the next ten are about making sure that you have the information that's useful to you right now. Google Now is the search giant's attempt to figure out what data you need, and deliver it when you need it - and it's now available to iPhone and iPad users.Related StoriesApple iPad maintains strong web traffic lead over Samsung Galaxy TabsSamsung Galaxy S4 reviews round up: 'not revolutionary' and 'full of