Pretty simple, from today (15th) to the 19th of December Google will be donating to a range of charities for every tab you open in Google chrome. Don't think it has ever been easier to give to charity than browsing the internet and opening tabs To participate all you need to do is follow the link below https://chrome.google.com/webstore/detail/bbfammmagchhaohncbhghoohcfoeckdi# More info http://www.google.com/chrome/intl/en/p/cause/#tnc