She adds, though, that we need to keep in mind that advertisers have been successfully controlling our brains, to some extent, since long before the existence of EEG or fMRI technology.

FORBES: Neuromarketing: Tapping Into the 'Pleasure Center' of Consumers

"Smartphones and tablets are growing at a pace that PCs can't realistically keep up with because of device prices and to some extent disposability, " explained Ryan Reith, program manager, Worldwide Mobile Device Trackers at IDC.

ENGADGET: IDC: connected device shipments up 29.1 percent in 2012, smartphones and tablets rule