With the Samsung Galaxy Note 3 you can write an email and browse the internet at the very same time. By following the steps below, you can run two applications simultaneously with each having their own window.
1. Go to settings.
2. Select device.
3. Enable multi window.
4. You will then see a tab show up on the left hand side of the screen, tap this.
5. You will then be show a selection of apps that support this mode.