Record iOS Screen with Yosemite and iOS 8

The ability to record your iPhone or iPad's screen for instructional purposes is great.  It's also a useful tool for students to be able to share what they're learning or making tutorials by recording the steps.  The only way to do this in the past was to mirror your iOS device using AirServer and then recording it.  But with the releases of iOS 8 and Yosemite it's very easy with the additional use of Quick Time Player.  Here are the steps (borrowed from iOS Hacker):

1. Connect your iPhone, iPad or iPod touch to your Mac via a Lightning Cable.
2. Open the QuickTime app.
3. Go to File and select ‘New Movie Recording’.
4. A recording window will appear. You will a see little arrow for drop down menu in front of the record button. Click that arrow and select your iPhone.
5. Select the Mic of your iPhone if you want to record music, app/game sounds.
6. Click the Record button. Now perform the tasks on your iOS device that you want to record.
7. Once done tap the stop button and save the video.