Last week, Apple unveiled the latest generation of MacBook Pros, which now feature Intel Haswell processors, PCI-e connected flash storage and nine hours of battery life.

Microsoft has released Windows 8.1, the latest update to its Windows 8 operating system, which is designed to run on both tablets and customized laptops.

Yesterday, Apple announced that it had made the next version of Mac OS X available to users for free, the first time the company has offered users an upgrade of its desktop operating system without attaching a price tag.

Yesterday, Apple unveiled several new products and updates to existing lines at a press event in San Francisco. One of the most notable was a redesign of the MacBook Pro, the company's flagship pro-level laptop.