iNecklace the new open source Geek couture accessory Summary: The newest open source accessory from Adafruit Industries will be on every Geek or Apple nerd girl's wish list. But it sold out on the first day. By Violet Blue | September 2, 2011 -- 05:18 GMT (22:18 PDT) Follow @violetblue Previous | Next Image 11 of 11 The iNecklace glows softly in daylight. Batteries are in and out with a simple twist. Topics: Hardware, Open Source Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.