« Stuff The Internet Says On Scalability For September 28, 2012 | Main | Google Spanner's Most Surprising Revelation: NoSQL is Out and NewSQL is In » This is a guest post by Barry Abrahamson, Chief Systems Wrangler at Automattic, and Nginx's Coufounder Andrew Alexeev. WordPress.com serves more than 33 million sites attracting over 339 million people and 3.4 billion pages each month. Since April 20