Although a lot of information is not available, you will be amazed how much really IS out there. Keep in mind you get what you pay for. When you read something that seems ludicrous or utterly impossible, it probably is. The Internet has no editorial boards to review or even decide what is available on-line. There is a wealth of information available on the Internet but many items you may expect to find online are not available because of copyright restrictions.
Libraries are an excellent places to search for copyrighted material.
It's a great tool. If possible, write out the answers to the questions below. Think of three examples of information you can find on the Internet.