We were sure, at first glance, that these were MP3 travel mugs. But that explains why these items aren't marketed at consumers of our advanced age bracket.
The SanDisk "Sansa Shaker" is aimed at younger types with its bright pink and blue hues, as Engadget points out, as well as more conventional specs such as 512MB of storage, an SD flash card slot and a built-in speaker. But the most curious attribute is an cryptic "interactive 'Shake' feature" that remains to be disclosed, along with pricing and availability. We're not too concerned: Whatever it is, something tells us it won't involve coffee either.