Learn the basics of Web services using .NET. Excerpt: The underlying software and hardware that provide the connective tissue for the Internet represent some of the most complex technology of the past few decades. Just a few years ago, the Internet was a simple network that relatively few people used for e-mail. Seemingly overnight, HTTP- and HTML-based Web pages emerged. HTTP (Hypertext Transport Protocol) is an application-level protocol that is relatively easy to implement and debug. Web pages based on HTML (Hypertext Markup Language) are easy to author using a human-readable format that Web browsers have been liberal at interpreting.