I used him to learn how the curation rewards worked. I tested different times after his post and # of upvotes I should wait to be cast before mine.
I'm working on coding a basic bot for steemit just for the experience and thought a curation bot would be a fun little task. This was helping me get parameters to set for it and the like. I don't plan on letting the bot actually run all the time, just for a few days to test if it works how it should.