critically acclaimed calendar, natural language entry, ajax, full screen, blazing fast, invitations, sms reminders, repeating events, integrated maps, tagging, share by tags, customizable, multiple themes, simple sharing, weather, track myspace, flickr, webshots, livejournal, blogger and more, instant photo sharing, your calendar is a timeline, add rss + ical feeds, all data is exportable, calendar badges + widgets, instant home page, track your buddies, the best to do list ever, perfect for GTD, buddy cards, great for your contact list, sms messaging built in, available on your phone, status updates, better than paper!