Here's a web site that lets you see who says pop and who says soda. This is only of interest if you have ever left your hometown and you've ordered a 'soda' only to get soda water. You can even participate. <a href="http://www.ugcs.caltech.edu/~almccon/pop_soda/">http://www.ugcs.caltech.edu/~almccon/pop_soda/</a>