The Vytorin trial used a new method called carotid ultrasound to try to show a benefit over Zocor.

FORBES: Merck And Schering's Problem Study

Although some women do indeed prefer an in-store (human) professional when looking for a new lineup of cosmetics to try, those independent ladies who'd rather take things solo just might prefer this method.

ENGADGET: Japanese department stores trialing virtual makeover machines