Boardroom battles and power plays shaped this year's U.S. list, which boasts eight new faces and - surprise! - a new No. 1.
|'The Interview': $15M on 2M streams|
|Could this mean the end of tipping?|
|AirAsia shares slide after plane vanishes|
|AirAsia CEO takes to Twitter fast in wake of tragedy|
|PlayStation Network back up after a cyberattack|