Apple is donating an extra $2.5 million to the American Red Cross for Hurricane Sandy relief, an internal email reveals. Sent to other Apple workers by CEO Tim Cook, the memo notes that the donation comes in addition to charity efforts by employees, and public money sent to the Red Cross through iTunes. "Team," the memo begins. "For the past week, our thoughts have been with those affected by Hurricane Sandy and its aftermath. And Apple employees and customers the world over have raised millions of dollars toward the relief effort so far. But we can always do more.