What to expect from Apple's iPhone 4.0 announcement

Apple is expected to formally unveil the latest version of its iPhone OS, 4.0, at a media event tomorrow. As usual, Apple is being tight-lipped about what to expect from the upgraded platform, though multitasking seems to be high on many analysts' list of predictions for what will be revealed. FierceWireless took a sampling of opinions from industry-watchers about what they expect to hear from Apple. Special feature