There's no shortage of new features in Ice Cream Sandwich, but one sure to attract a lot of attention is Face Unlock. That, as you can probably surmise, lets you unlock your phone through facial recognition instead of a password -- hardly a new idea, but a first for Google. Unfortunately, the demo didn't go quite as planned during the keynote -- locking out Google's Matias Duarte -- but we'll be sure to give it a go ourselves and report back.