According to the NY Post, Jay-Z is about to ink a hugely lucrative deal with Samsung Mobile.. The contract is said to be worth as much as $20 million. One source said, “The eight-figure deal will be inked in the next few weeks, and is the biggest of its kind. You can speculate that he’ll want to develop some kind of new music-streaming service to promote his acts and music on mobile devices.”

This could be trouble for iPhone.