Microsoft SkyDrive is rebranding to OneDrive, and as part of the launch, they are offering the first 100,000 user to log in 100GB free storage for a year.
"THE FIRST ONE HUNDRED THOUSAND USERS TO LOG INSO ONEDRIVE.COM TODAY BEGINNING AT 11:11 AM PST WIN 100 GB OF EXTRA STORAGE."
http://microsoft-news.com/solve-this-puzzle-to-get-a-chance-…
Just for one year. Great marketing