1. If you're a great developer, just pick an idea that you love so much that you'll weather the inevitable storms that come. It can seem mundane or 'solved', you'll make it interesting. The 'killer idea' is usually a label applied afterwards to a kick-ass execution of a normal idea.
2. Screw business books and tech blogs, read science fiction. :)
2. Screw business books and tech blogs, read science fiction. :)