Microsoft CEO Satya Nadella

Some of tech's biggest names have joined in on the ALS Ice Bucket Challenge, which was was started in late July by Massachusetts resident and ALS patient Pete Frates.

The campaign has taken off since then, with participants nominating others to donate to the cause or dump ice water on their heads (or sometimes both). In that time, the ALS Association said Wednesday it's raised $5.7 million in donations, compared to $1.2 million during the same time period last year.

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Photo by: Microsoft / Caption by:

Apple Marketing Executive Philip Schiller

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Photo by: Philip Schiller / Caption by:

AT&T Mobility CEO Ralph de la Vega

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Photo by: AT&T / Caption by:

Facebook CEO Mark Zuckerberg

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Photo by: Facebook / Caption by:

T-Mobile CEO John Legere

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Photo by: T-Mobile / Caption by:
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