If you don't want others to use your photos and images without your permission, you can create a so called custom watermark with your name or any other text you want.
DOF or Depth Of Field is a commonly used technique in photography where you can precisely focus only part of the face or object you are taking shot of. Let's recreate this using Photoshop.
You will find out how to summarize cells that have a same color of the font, the red one in my case. Really useful when working with different types of specific data in Excel.
If you are a Skype user, it maybe disruptive for you that the program is shown in taskbar, although you don't need it at the moment. I will show you how to remove it from the taskbar.
