Mobile World Congress is the grandaddy of mobile exhibitions and conferences and I will be attending for the 15th year. I will be scouring for innovation in the nooks and crannies behind and around all the huge booths and at the Applications Planet (Hall 8). Also at the Press-only events like Showstoppers and Pepcom (MobileFocus). There are always a lot of Innovative companies showing at these!
Although many others will report on what's happening in the middle - on the network side of things, my interest is at the edges, looking more from the consumer's perspective and trying to find things that are valuable and improve the user experience. Also obviously looking for technologies, products, services or ecosystems that let the consumer drive change a bit (or radically!) by just intuitively seeing the value and changing the way they do things.