1. Ads shouldn't be placed under a title or section heading in a way that implies that the ads are not ads.For example, ads shouldn't be placed under titles such as “Dallas Business Opportunities” or “Today's Hot Deals”. Placing ads directly below titles such as these implies to your users that the links in the ads are publisher-created content. The example below shows a placement that does not follow this guideline.2. Ads should be easily distinguishable from surrounding content.Similarly, you should not place an ad unit by a group of links that has identical colors and line spacing. Doing so may cause users to think the ad unit is content created by you. In this situation, we recommend using a different color for the ad titles or indenting the ad unit to help distinguish the ads from your own content. This screenshot shows an implementation that does not follow this guideline: