The iPhone soundly bested both the Nokia N95 and HTC Touch in a recent usability test by Perceptive Sciences, a Texas-based usability consulting firm. The test, which was designed to be as objective as possible, asked ten people who had never used any of the three devices to perform simple tasks, such as setting the phone to vibrate, making a call, saving a phone number to the contact list, sending a brief e-mail, and taking a photo. Completion times?