Is Andriod OS consuming your data plan? Fix it with 3 clicks.

So if you've you've got a small data plan and are concerned about your data usage (if so, switch already!), you may have dug in and noticed under Settings>Data usage and that Andriod OS is using most of your data plan.   But you'd prefer it to only update over wifi.  No problem... from your device go to Play Store>Settings>and enable Update over Wi-Fi Only.  And cut out a chunk of your data usage today.