Last month I officially migrated from Apple's phone to Samsung's latest device, breaking a four-year streak of iPhone exclusivity. Next Media Animation's latest animated report explains how the winds have shifted for the two mobile giants.

Up until recently I'd been counting the days until my December mobile phone upgrade eligibility, the day I could extend my contract for another two years in exchange for a discounted iPhone 5. There'd been a gnawing anxiety deep in my gut, growing stronger each day my friends possessed Apple's latest gadget and I did…