Ubuntu Fans send Thank You Notes to System76 May 13, 2012 System76 fulfilled more than 100 requests for free Ubuntu stickers in April. Half way through may, we are on the same path. By May 14, we've reached 40 requests to send free stickers in support of the best operating system in the world, Ubuntu. Share Get link Facebook Twitter Pinterest Email Other Apps Labels free Ubuntu stickers Happy Customers System76 Social ubuntu Ubuntu Loco Group Share Get link Facebook Twitter Pinterest Email Other Apps