The arrival of multitasking finally got its much overdue announcement this morning in Cupertino with iPhone 4.0. Although it took a few iterations of the iPhone operating system and hardware that could support the function, it’s finally coming to our devices later this summer and will open up many new opportunities with how we use our iPhones. One of the many touted sub features of multitasking, Background Location, will open up brand new ways developers can deliver location based applications.