I wonder if this use of very advanced web technology is calculated to limit who can view their message. Perhaps they only want affluent, urban, technically savv

I wonder if this use of very advanced web technology is calculated to limit who can view their message. Perhaps they only want affluent, urban, technically savvy liberals to view their message, while excluding lower income rural people who use IE 6. This may seem like a paranoid theory, but the Obama campaign would certainly have the data and expertise to support such an effort.