For tech/engineering gurus: With the rumored changes in iP5- larger higher res display, 4G/LTE capability, it seems to me the power requirement goes up sharply. The solutions: Bigger battery-> heavier/larger phone Shrink processor and/or modem to reduce power consumption-> Using a separate processor (A5/6?) limits ability to cut power. Improve power management-> Doesn't seem like enough can be done to completely offset higher power needs Integrate modem and A5-> Have not seen any rumors on this. Any thoughts as to how this problem gets solved?