Take a lookm at what UbiSoft are doing...It started as a nice promotion for their games for the PS3, offering a free playstation draw. The terms and all the pages say that the winners will be declared on April 5th...
Here is a screen shot from today (April 9th) of the winner page:
It's hard to imagine what the people in UbiSoft were thinking. Is this how they want their potential customers view them?