‘I wanted to punch Mark Cuban in the face,’ says rapper, ‘You motherf***er’

Billionaire with links to Obama comes out against firms that shift HQs overseas

New version of music sharing app among the first to appear on Google-powered wearable devices

E-commerce giant agrees to pay $192m for stake in Asian championship side Guangzhou Evergrande

Music discovery company Soundwave was founded in 2012

A student who wondered why wireless devices have wire chargers defied naysayers to make one that is powered by sound waves