Update README.md

2016-03-31 18:18:57 -04:00 · 2016-03-31 18:18:57 -04:00 · 6a20646538
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 U2F Zero
 ========

-![](http://i.imgur.com/LpJVjvz.jpg)
+![](http://i.imgur.com/ZSk2AW3.jpg)

 Overview
 =======