One of the cornerstones of the Internet is making information available to whomever wants it for low or no cost. Case in point, the TCP/IP stack within the operating system you're now running to read this post was probably originally posted to the Internet better than twenty years ago under the BSD license. In fact, if you dig around inside the "About.." panes of Windows chances are you'll find that little block of text (at least, everything up to Windows 2000 had it, it's been a couple of years). The fan cultures that many of us partake of grew …