Apple shows off updated MacBooks

On Tuesday, Apple chief executive Steve Jobs announced updates to the company's MacBook laptop lineup, including Nvidia graphics, a glass multitouch trackpad, a thinner casing crafted from a single block of aluminium, solid-state drives, price reductions and more.

As expected, Apple also released its first sub-$1,000 (£570) notebook. The announcements took place at the company's Cupertino headquarters in California.