Gallery: Open source iCufflinks Summary: Adafruit Industries has released their first in a line of original, open-source jewelry: iCufflinks. By Violet Blue | June 16, 2011 -- 09:29 GMT (02:29 PDT) Follow @violetblue Previous | Next Image 7 of 7 A good reason to put your hand on your chest. Topic: Open Source Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.