But, there's a bunch of ideas I've brainstormed around using things like sentiment analysis and other kinds of very simple-to-use AI concepts for automating tedious stuff. Things like automatically triaging support requests based on how angry the customer sounds, or based on keywords and an analysis of earlier requests; off-the-shelf NLP algorithms can do this today (and Google uses it that way for their own support tools, but doesn't make it widely available in that form, though Inbox has some of that kind of tech working in it). All you need is training data and some familiarity with Python.
My brainstorming exercise goes something like this: Append "with spooky powers" to a bunch of common things until one of them seems cool and useful to me. So, "forum notifications bot with spooky powers", "IRC bot with spooky powers", "twitter bot with spooky powers", "customer relationship management with spooky powers", "analytics with spooky powers", "server monitoring with spooky powers", "log analysis with spooky powers", etc. And I try to think of what I would use such a thing for, if it existed. Then, I sit down and see if I can make it real. The Yahoo NSFW image detection announcement reminded me of ideas I had and tinkered with a decade ago when I worked on a content filtering system for schools...the difference is that now we have the horsepower, the data sets, and the algorithms to actually make it work (but, I haven't worked in that field in a decade and never really liked being a purveyor of censorship tools, even if only for children, anyway).
Anyway, the possibilities are kinda huge and wide open. Many of these ideas will fizzle out, even the ones that look promising, but as with the Internet a lot of millionaires are going to be made by people saying, "It's like X, but with AI." just as people used to say, "It's like X, but on the Internet."