According to estimates, advertisers will spend $14.28 billion on display advertising in 2012, though engagement rates are less than one percent, indicating most of the spending is ineffective. The document then provides examples of alternative ways the $14.28 billion could be used, such as paying tuition for every undergraduate at Stanford for 53 years, buying out Yankees home games for 617 years, giving Gulfstream G6 jets to 25 friends, sending applicants to be Charlie Sheen's intern to space, providing malaria nets for Central Africa, or giving clean water to 741 million people.