With Multi-Touch in OS X, you can use realistic gestures like swiping or pinching to switch between apps, navigate your content, and get the most out of

  your desktop space.The new Force Touch trackpad takes all the capabilities of Multi-Touch and adds force sensors that detect subtle differences in the

  amount of downward pressure you apply. This lets you have a deeper connection to your content, bringing more functionality right to your fingertip. It

  also introduces haptic feedback to MacBook Pro ? allowing you not just to see what?s happening on the screen, but to feel it.

                                                       Force click                            Accelerators                    Pressure-sensitive drawing

                                            Press lightly for a thin stroke or harder for a thick one ? just as you would with a pen or stylus ? when

                                                          marking up a Mail attachment or signing your name on a form with your fingertip.

The 15.4‑inch MacBook Pro with Retina display has the power to do even more amazing things.