Is there a way to do this? can't find it. Also, how do you tell Google to spread out your impressions throughout the day. thanks!
1. Download adwords editor - http://www.google.com/intl/en/adwordseditor/ 2. You don't - it's what they do automatically unless you tell them not to, by setting times that you want your ad to show. (which you can do from Settings > Advanced settings> Ad scheduling)