With enhanced campaign selected, you get advanced options which you can select. Scheduling, frequency of showing ads, experiment (A/B testing), etc.
Now all the campaigns are enhanced campaigns Differences are that with Enhanced campaigns : *There is not an option any more to target tablets as separate device. Computers and Tablets are together as one device option. * You can set bid adjustments Ad scheduling, location and mobile devices on campaign level * you can set bid adjustments for mobile devices on adgroup level * You can use on AdGroup level and use ad scheduling and start and end-dates, and set device preference mobile for : - Call extension With upgraded call extensions, your call extension can appear on all devices. Legacy call extensions show your call extension only when the ad appears on mobile devices unless you choose to use Google forwarding numbers. Can target the display Network for mobile phones. - Sitelinks - App extensions - offers (no device preference here) Thank you, Rajesh Maguluri
Enhanced Campaigns for AdWords is advertisement framework, that is particularly imperative for wiping out mobile offering alternatives. It is declared in February 2013.