Every year Apple puts out a new iPhone—and every year, people scramble to get one. It's not always worth the bother, but this year, it just might be.
The 64-bit processor chip speeds up everything from load times to the quality of graphics. The fingerprint scanner is handier than you might imagine (and encourages people to secure their phones). And the camera really sings with crisp pictures, a handy burst mode and an addictive slow motion feature for video.