There are a few basic ways to waste money on advertising:
Spending too much. [In reality, this almost never happens, despite the CFO's suspicions.]

Spending too little. This actually happens a lot. Several polls have shown that at least one-third of marketing managers believe their resources are insufficient to meet their agreed-upon goals. Fifty GRPs is the minimum level to reach the target once a week.

Read more at by Gray Hammond, Today, 5:00 AM MediaPost

MySpace’s users are Calvin Klein-wearing, Corona-swilling, dope-smoking,teeth-brushing, Coke-guzzling, Lynx-spraying social networking machines, according to a census of the site’s Australian audience. The lifestyle portal surveyed the opinions and attitudes of 2000 of its 2.4m Australian users to build up the picture of their favourite brands.

Read more from the original source: 
Coke, iPhone and PlayStation please, say MySpace users