Creative concept

This recent campaign by Ogilvy & Mather for Expedia, a traveling website company, represents everything I would like to see in advertising. A simple but straight to the point creative concept. Brilliant!
There are many campaigns that want to send a message but do it with little success and some element of confusion.
The most important part belongs to the creative teams that come up with an idea that is not only appealing to the consumer but more importantly is based on a simple but carefully selected execution!
I am still amused by MUM DAD IOU campaign!