Mr. Li continued, "Together with the completion of our acquisition of Digital Media Group earlier this year, this contract helps to solidify our leadership position on subway systems nationally.

It helped Apple position the PC as a digital hub, storing, syncing and connecting post-PC digital devices like cameras, camcorders and MP3 players.

The report also provides an overview of the mobile search industry and looks at its position within the digital advertising, mobile communications and search markets in general.