There’s a marvelous scene in one of the Crocodile Dundee movies where someone points out that his hotel room has a television. He turns it on saying, “I've seen television before.” As the I Love Lucy theme fades in he says, “Yup, that’s what was on”.
Can you imagine if the food in the fridge really never changed or if the show on television was actually always the same?
There are some activities in life which hinge on variety, newness, change, to keep our attention. Eating the same foods over and over again gets boring fast – even pizza.
The single greatest reason for potential fans (which means potential purchasers of your book) to visit your website is to find something new.