30 Boxes is a calendar and scheduling application developed by 83degrees in 2006. It allows users to easily create and share events, calendars, photos and blogs in a social network. Key features include integration with maps, reminders via email and SMS, customization with multiple themes, and synchronization with services like Flickr, YouTube and Twitter. It is popular among college students, business travelers, teachers and has over 80,000 users. 30 Boxes provides enhanced social and multimedia capabilities compared to Google Calendar which focuses only on calendar functions.