Mark Zuckerberg

Yesterday, Governor Chris Christie challenged me to do the ALS Ice Bucket Challenge.

I accepted his challenge, and now I'm challenging Bill Gates, Sheryl Sandberg and Reed Hastings next.

You guys have 24 hours to complete the challenge or you have to donate to the ALS foundation -- or both.

Finding ways to treat and cure ALS is an important cause. Find out more here: http://www.alsa.org/