<<It crashed people's computers. It ran up power bills (just a few cents per user, but when you consider Google's global reach, the total cost is staggering). But it also had an interesting side effect:

Clicking it brought-up the Google search of the term "Buckyballs" which in turn brought up the page for the desktoy of the same name. 2,000,000+ unique visitors in total landed on the www.GetBuckyballs.com page. When it was all said and done, Buckyballs, already the world's best-selling desktoy, saw an alarming jump in sales: 10,000 units sold in a single day – that's over $250,000 in product, and the term "Buckyballs" has since rocketed to the top of retail and keyword search-term charts!>>

http://www.prnewswire.com/news-releases/breaking-news-googles-logo-glitch-costs-consumers-millions-equals-giant-sales-for-buckyballs-102421629.html