As you all know , our pc might collect dust inside the cpu especially on the fans and heatsinks.
Sometimes when you dont bother this at all, the dust will build up into a pile and it may affect your computer's cooling efficiency. Not only that but also make your computer run more NOISY . All just because of the dust...
Worse case , your pc might burn out or get faulty over time as the ignorance on it.

So lets find out how often we clean our computer and discuss about it..

i thought blower can make static that might damage the electronics?

i guess avoid static charge and water spills ...