Do your hands sweat?

I am all about innovation and changing the way we all think. But below is an article about a new product that well lets say I don't understand. Just check it out for yourself:

techshout.com: Thanko, a company known for its innovative products has rolled out a new keyboard. According to FarEastGizmos, the computer peripheral has a built-in fan to keep users’ hands cool.
Many times users’ hands sweat due to the prolonged usage of the keyboard, especially in the humid conditions. In such cases Thanko keyboard users can simply turn on the fan switch and continue working in comfortable environment.
The built-in fan blows strong cool air, so that it is convenient for users to work. The keyboard measures 51×22x3.5 cm.
As of now the Thanko keyboard with integrated fan is only available in Japan. The Thanko fan keyboard is available for 6,650 yen.
Thanko Keyboard with Built-in Fan Introduced [techshout.com]