If you feel it is just a normal picture, it mean you are wrong! Click on the pictures...you will see something different as what you seeing now. These details only displayed if the picture is enlarged!
I am quite impressed of their skill who are really good in photoshop. What you see in this picture is not something real, it is created in photoshop and give you a feel of the "REAL GLASS" with the Firefox logo on it. The original picture as below:
Original link please refer Worth1000 .
