Thing #19- Discovering Web 2.0 Tools

I came across a site called, Yahoo! Answers. Basically, you post a question about anything you want. For example, How much should you tip at a sushi bar? to How do you keep swim-goggles fog-free? It could come in handy when students ask questions that I don't have an answer for. They could go to Yahoo! Answers and get connected to the world's largest think tank!