Have someone you need to share a list of Reminders with? You might not know it from looking at the app, but there’s an easy way to do so. Simply fire up your browser, visit iCloud.com, log in, and open up the Calendar app. Over to the left, you’ll see a list of your Reminder lists. Just choose which one you’d like to share—a grocery list, for example—and then click the broadcast button (the one on the right). A box will…