This week, Oculus Rift and Windows 10 get launch date and prices, free Amazon shipping for everyone, highlights from Google‘s developer conference, MIT‘s robot cheetah takes a big leap into the future, and much, much more…

To coincide with today being Super Bowl Sunday, the Kindle eBook deal of the day over at Amazon today is Sports Illustrated’s Blood, Sweat and Chalk: The Ultimate Football Playbook by Tim Layden for only $2.99 (that’s 89% off the list price of $26.95).

Note – this deal is valid only for today, Sunday, February 5, 2012, until 11:59pm PST.

If you’d like to purchase a physical copy of Sports Illustrated’s Blood, Sweat and Chalk: The Ultimate Football Playbook, the book is also available in paperback for $11.53 and hardcover for $17.79.