Lenovo 3Q profit up by half, warns of disk supply

(AP) -- Lenovo Group Ltd., the world's second biggest personal computer maker, said Thursday that quarterly profit grew by more than half but warned hard drive costs would remain high amid a global shortage.

'Enhanced ebooks' take giant book fair by storm

Is it a book? Is it a film? Is it a game? Or all three? Publishers and authors at the world's biggest book fair are battling to entice a new generation of readers with the latest multimedia products.