BP PLC Chief Executive Tony Hayward has come under mounting pressure over the spill, caused after a drilling rig BP was leasing, the Deepwater Horizon, caught fire and sank last month.

Chang assumed day-to-day control of the foundry giant. In his new role, Tsai now serves as president of the New Business Development Organization, reporting directly to Chang.

Ryan Champlin, vice president for operations at Cook Children’s Health Care System in Fort Worth, considered buying a netbook and tried out a few owned by colleagues.