Great for

• Build very long lists of keywords based on the combinations and permutations of how users search for your type of business
• Template-driven organisation of ad groups breaks down the list of keywords into tightly-themed ad groups
• Ad copy templating system allows you to insert your keywords into the ad copy, creating multiple versions of highly relevant ads for every ad group
• Once you have created your campaigns, ad groups or ad copy, simply upload the file directly into Google AdWords or Google AdWords Editor

Be aware that

• Currently does not work for Bing Editor