11/21/11
There's a lot you can do with the calendar creation feature in iPhoto 11. You can use your own photos and iCal calendars to order a printer calendar from Apple, or print it yourself. You can also export the pages from a calendar to a PDF or even create an image from it.
11/18/11
You can use Siri like a personal assistant by creating notes simply by speaking. You can create new notes, or even add to existing ones. Siri can also search your notes. In the Reminders app you can create different lists, and then use Siri to add items to that list.
