Reading Manna, a book by Marshall Brain (best known as the creator of How Stuff Works. It's an eerie book about robots, computers, and more specifically intelligent software taking over the world. I make systems that make other people's jobs easier. I've also made programs that have eliminated time-consuming human tasks. I hope I never make something like Manna. Technically it's a piece of cake, but it's effects are not so sweet. Read the book if you have the time. He's a blogger too.