Google Blogoscoped points out an ad spotted on Google that looked like it might have been a placeholder for a test of Flash ads in the Google search results. Or perhaps not. It might be from someone else who managed to slip an ad through with the www.google.com domain as the display URL.
Optimising Digital Marketing Campaigns with Search, Social and Analytics
At SES London (9-11 Feb) you'll get an overview of the latest tools, tips, and tactics in Paid, Owned, Earned, Integrated Media and Business Intelligence to streamline your marketing campaigns in 2015. Register by 31 October to take advantage of Early Bird Rates.