Marketing info ebook Top Ten Copywriting Informational Sources will help whether you use video, audio or text in your web marketing, you still rely on words. Compelling words are what attract web visitors, get them on your mailing list and get them to buy your products. The art of compiling compelling words is known as copywriting and it is an essential skill for any online business. If youre looking for copywriting information, here are top 10 sources for your Marketing efforts.