in trying to not be entirely dependent on the silicon valley firms to stand the work business school thank you very much for this analysis and better smarter faster no we're not talking about cars anymore we're talking about the phones at this year's mobile world congress in barcelona that are battling to kick leaders like apple and samsung out of the top spots it's not just the devices themselves which are taking the spotlight but also the network tech that keeps us connected to the rest of the worlds. rather than just seeing what it's like to be spiderman how about feeling it sony's built a new dynamic vibration system into its top flight smartphone the japanese firm can also turn you into a three d. avatar something they hope will score points with customers the new display and camera technology can now record and show high resolution four k.