Hacker News stories for 11 AM on Wednesday Jan 16, 2013

0.613 Clustrix, a distributed SQL DB, launches on AWS (YC W06) comments

0.500 Wikimedia Launches WikiVoyage comments

0.014 Show HN: Tightrope, a color-based news stream comments

0.009 Show HN: Marketing Bits – Real-world marketing know-how for hackers and startups comments