I have learned, or I am trying to learn, to check out major websites on the first of April, every year.
Favorites this year are Google (featuring Gmail motion) and LinkedIn (check out “People You May Know”).
But you have to do it today.
Quick! What else?
Jane's Lessons Learned 
And this:
http://us.toshiba.com/spectacle
Here is one for you…
http://mail.google.com/mail/help/motion.html