Here are sites to make unexpected links in your neural network.
Free Directory: DMOZ, The Open Directory
Project, is a worldwide
effort to objectively organize millions of websites. Created by expert
it helps power well-known search engines such as Google.
Free Knowledge: Investigate the world through Wikipedia, an on-line encyclopedia.“Wikipedia content can be copied, modified, and redistributed...”
Free Animals: Junglewalk – photos, sounds and movies of virtually any animal you can imagine.
Free cartoons: Darryl Cagle’s Professional Cartoonists Index – a vast array of daily comic strips, political cartoons, etc.