Many of the iTunes Guy columns focus on music, since the majority of the questions I receive are about that kind of media. But I get a fair number of questions about videos, and in this week's column, I cover four questions dealing with videos: their formats and tags, and how to make smart playlists to group movies by title.Related StoriesAndroid tablets to overtake Apple iPad - and iPad mini to beat iPad tooFlat design of Windows 8 started a trend that Apple may follow in iOS 7
