Each model also lets you use Thinking mode, either Standard or Extended. Yep, those are a lot of choices. But here's the rundown: Flash and Flash-Lite are fine for quick and easy requests and chats, ...

In the battle of the best graphics cards, AMD and Nvidia are the biggest names in the arena, by far. Locking horns in the biggest face-off since Nicolas Cage and John Travolta danced around slo-mo ...