03:37 - Source: CNN
Apple announces upgrades to laptops

Story highlights

Apple on Monday unveiled a new MacBook Pro laptop with a high-resolution screen

The company also announced improvements to its Siri voice "assistant"

CEO Tim Cook led the keynote at Apple's annual developers' conference

Apple also unveiled upgraded MacBook Airs plus operating systems with new features

San Francisco CNN —  

Faster, thinner laptops with hi-res screens. FaceTime video chatting over cellular networks. And a smarter Siri.

But no upgrades to Apple TV – at least, not yet.

That, in brief, is what Apple will be rolling out to its users over the next six months. The company announced these updates, and a bunch of other significant if not surprising news, during a keynote presentation Monday kicking off its annual developers’ conference.

Here are the highlights:

Refreshed MacBooks

The most impressive new product announced Monday may be a new MacBook laptop with a high-resolution display that Apple says will contain 5 million pixels – 3 million more than an HD television.

“The new MacBook Pro is the most advanced Mac we have ever bui