This Week in MongoDB May 20-28`: The MongoDB community is abuzz with exciting developments and upcoming events, including a free online class starting June 17, the release of the mgo MongoDB driver for the Go Language, and the launch of eBay's first Node.js application powered by MongoDB. The company also announced its upcoming MongoDB Days in Pittsburgh, Israel, and New York City, as well as several webinars covering topics such as indexing and query optimization, securing and protecting data, and analytics with NoSQL. Additionally, user groups and events are taking place, including the MEAN Stack presentation at the NYC MongoDB User Group and a FOSS4G talk on new Geo features in MongoDB 2.4.