[WWDC 2012] MacBooks Are Now on Steroids - Here's What You Need to Know

Apple CEO Tim Cook takes the stage at the 2012 Worldwide Developers' Conference in San Francisco.

SAN FRANCISCO (AP) — Apple Inc. on Monday said it's introducing a laptop with a super-high resolution "Retina" display, setting a new standard for screen sharpness.

The new MacBook Pro will have a 15-inch screen and four times the resolution of previous models, Apple executive Phil Schiller told developers at a conference in San Francisco on Monday.