Last week, Google announced the launch of a new product called Ad Sitelinks, which is not available for all advertisers yet. This is usually how they release new products, commencing a preliminary run with a select few advertisers before the product is even widely discussed. Then they start expanding the reach more and more before it is eventually available to all advertisers through their normal AdWords interface.
This new product allows your AdWords paid search ads to include more links that can go deeper into your content, beyond your landing page. It would look like the example above.
Advertisers may add up to ten links, although Google will only display up to four. Google thus recommends that advertisers list their most important links first.
To employ this new feature, it is not necessary to write new ads. Instead, Google will simply add these new Sitelinks to your current ads. If you are eligible to participate, you will see the option in your Campaign Settings. Right after the demographic and language targeting, you should see a section called Networks, Devices, and Extensions. Within this section there are a few options, one of which being to edit your Ad Extensions. If you do not see this edit option, then this is likely not available to you yet.
This could prove to be very helpful for some advertisers, allowing more options to consumers. Google recommends taking advantage of this during the holidays as an easy way to update seasonal promotions.