I never watch them. They seem daft, to me, for books.
I don't know the answer to the subject line question, but I do know this one is excellent (found on Passive Guy's blog)Heather Hamilton-Senter said:I have the tech skills to create a book trailer for my series, but I've delayed putting the time into them as I wasn't sure it was worth it? Does anyone actually watch these outside of other authors? Are their places to promote using them? Well done ones look great, but I don't think I've ever gone looking for a trailer when I've been wondering what to buy.
Are they a novelty whose time has passed? Or are they a significant marketing tool?