A blonde entered a store that sold curtains and told the salesman she wanted to buy a pair of pink curtains. He showed her several patterns but the blonde was struggling to make a choice. Eventually she selected a pink floral print.

"What size curtains do you need?" asked the salesman.

"Fifteen Inches", replied the blonde.

"That sounds very small. What room are they for?"

"They're not for a room", said the blonde. "They're for my computer monitor."

The salesman was baffled. "But, miss, computers do not need curtains.

The blonde said, "Hellloooo! ... I've got Windooows!