While little is truly known about the iPhone 5, most fans expect Apple's next-generation smartphone to be revolutionary. Game-changing. All-powerful. But since Apple keeps its lips sealed until the official unveiling, the best we can do is follow the rumor trails and try to separate fact from fiction. Here, we round up everything we know about the iPhone 5 -- from the release date, to the phone's form factor and design, to its software features -- and try to give you a picture of what to expect from the iPhone 5 later this year.