Almost all websites have the guestbook function, but this "word" usually just refers to text. If we could let readers leave their own voice - this real "language" - it would certainly be quite interesting. Everyone is discussing Web 2.0, and all the websites are moving towards 2.0. I think blogs, these small media, can also go 2.0. In fact, we should thank the current Web 2.0 trend, as we can enjoy various free and interesting services. For example, letting your readers leave you a voice message to increase interactivity.
Odeo happens to be such an interesting service. You just need to register an account to use its various voice services. The most common and practical one, of course, is adding Odeo to your website or blog, allowing your readers to instantly send you voice messages without any other steps. Below are the steps to achieve this: