I decided to create a Readalikes search tool, as I could see this coming in handy at work. The next time a customer wants a list of authors like Janet Evanovich, or wants a book just like Twilight, I'll have plenty of resources at my fingertips beyond Novelist, without having to wade through the random entries brought up by a Google search.
I could see this having all kinds of applications in the library. Create a search tool consisting of other libraries' programming ideas, or trusted sites for homework help. Pretty cool.