Apple MacBook Air MD231D / A 33.8 cm (13.3-inch) notebook (Intel Core i5 3427U, 1.8GHz, 4GB RAM, 128GB flash memory, Intel HD 4000, Mac OS) (Personal Computers)
It may be an isolated incident, but I want to post it here: I own a Macbook Air for 9 months (2012): A great device, everything runs fast, it never was a problem. I use only standard applications: Office, Safari, Mail. Then gestures: Mouse stops Macb