Off-putting advertising

I love Spring Harvest but there has been one annoying thing about it this year which seems to be much worse than in previous years and that is the amount of advertising. Virtually every workshop, lecture, Bible study session or worship session seems to be interrupted by someone plugging a book or CD or event. It’s not so bad when it’s actually relevant to the session but when it’s completely unrelated, it completely puts me off buying the product even if I would have been interested otherwise. The book/CD plugging has always happened but it used to be more subtle.