Mouse-Box — An Entire Computer inside a Mouse

[z3ro]

Smartphones in our pockets are exponentially smaller and more powerful that they don't realize the need to carry laptops with us everywhere. Now imagine if a small mouse meets the need of the entire PC? Not just imagination, it has been proved and done by the engineers at a Polish startup.
Poland-based Przemysław Strzelczyk and a team of software developers working on a new concept have created what they believe is the future of desktop computing — a mouse that's also a PC.

http://thehackernews.com/2015/01/mouse-box-computer.html

[Kulverstukas]

Not bad, but I wouldn't imagine it's any more powerful than a raspberry.