showing Maps, Calendar with new day view integrating details with maps of location
Messages - same translucent sidebar
content scrolls up through translucent titlebar
clock, stock, reminders, etc widgets in Notification Bar. also 3rd party widgets
smarter place to put widgets!
search : looking up apps, contacts, emails, events & reminders
Search for Numbers, you get app & recent spreadsheets
new search field also does unit conversions, etc
It's almost as if Apple preempted any need to Google anything from OS X Yosemite
Movie times, content you can stream from the iTunes Store. all from that search field
In addition to Docs in the Cloud, with iCloud Drive you can now see all your app folders, including iOS apps you don't have a Mac app for
can arbitrarily drag in files that will sync across your devices
iCloud document picker, also Windows access
fast switching of mailboxes, sending large attachments without attaching - Mail Drop
send big (up to 5GB) attachments via iCloud - integrated on the Mac, other clients get a URL to download it
Markup on email, PDFs draw via trackpad to scribble notes
Safari - single bar of UI: smart search bar gets Spotlight search suggestions
