[prophetics]

Let's hold back on comparing search trends. Contra your graph, we have variations on what to call usb drives (flash drives, thumb drives):

http://www.google.com/trends/explore#q=cloud%20storage%2C%20...

Of course dropbox dwarfs them all. And you could add in variations on the theme of cloud storage and tell a different story:

http://www.google.com/trends/explore#q=%22thumb%20drive%22%2...