If you are using Blogger with FeedBurner, you should know that someone can get all your blogger posts. There are many blogger generating feeds using FeedBurner nowaday.
In order to disable feedburner for blogger, read here.
Web scraping used for autoblog making duplicate content or half-duplicate content. We can not talk more about these techniques for some reasons. We can apply machine learning to generate unique content from web scraping.
This is a simple way in order to get all blogger posts.