Ice Bucket Challenge Rules: How to Undertake Water Challenge; Latest Info on Donations Numbers

Boston City Councillor Tito Jackson, center in suit, leads some 200 people in the ice bucket challenge at Boston's Copley Square, Thursday, Aug. 7, 2014 to raise funds and awareness for ALS. The idea is easy: Take a bucket of ice water, dump it over your head, video it and post it on social media. Then challenge your friends, strangers, even celebrities to do the same within 24 hours or pay up for charity. AP Photo/Elise Amendola