Chicago is hosting a free day-long tech education event called Couchbase Mobile Day Chicago, where participants will learn about building mobile applications on iOS and Android platforms that sync in the background and have offline data storage as a feature. The event includes workshops and presentations covering various topics such as Couchbase Mobile Overview, Getting Started, Hands-on Lab, Couchbase Lite, Couchbase Sync Gateway, Live Query & Synchronization. To prepare for the event, attendees are advised to download and install prerequisites like XCode 7.0 or later for iOS, Android Studio 1.2 or later with minimal SDK 19 for Android, VirtualBox and Vagrant, as well as Couchbase Sync Gateway and Couchbase Server. The event will take place at 21 E. Bellevue Place in Chicago, IL on December 1st, where participants can get hands-on experience with Couchbase Mobile and learn about its features and applications.