Spend an Evening with MongoDB` is a series of free, after-work events where solution architects guide attendees through modern application development and big data concepts using MongoDB. These sessions cover topics such as reducing development time, technical introductions to WiredTiger, and best practices for developing with MongoDB. The events aim to provide attendees with immediately applicable skills and the latest MongoDB swag. Sessions are suitable for both beginners and those already in production, offering something for everyone at these evenings.