The ALS ice bucket challenge has been gaining steam thanks to celebirty and busines leaders. In a video posted by Apple, CEO Cook gets the ice bucket treatment from singer Michael Franti on stage at Apple. As is the custom, Cook also challenges three others including Franti and Dr. , referencing his leak of Apple's $3 billion deal to buy Beats. Related articles Apple Firing Unneeded Beats Employees, Others Split Between Santa Monica and Cupertino Apple In Talks To Buy Beats Electronics, $3.2 Billion, Said To Be Mostly For Headphone Business

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