Acer's Revo Build is the Project Ara of PCs
 

Acer has announced the Revo Build M1-601, a super-small Windows 10 unit that can be expanded and customized with a series of stackable blocks. So, in the base unit you'll find a super small form factor PC that only occupies 125 square millimeters o...
http://www.engadget.com/2015/09/02/a...&ncid=rss_semi