[Trav1s]

Smaller than mini-itx with the mini STX motherboard dimension of 5"x 5"

http://www.pcworld.com/article/3021836/hardware/the-first-pc-hardware-based-on-intels-itty-bitty-new-mini-stx-motherboards-appear.html

 

[KennyP]

Before long, you'll need a magnifying glass to find the computer!

 

[Trav1s]

Smaller = lower heat = more energy efficient

All great things in my book.