These two critical Mac security features are off by default - how to turn them on and why you should

Once you have Firewall turned on, click Options, and you'll see "Enable stealth mode" at the bottom. Click the associated ...

How to turn on Data Saver mode on your Android phone - and why it's critical to do so

Here's how you enable the Data Saver feature. Open the Settings app by either pulling down the Notification Shade twice and ...