You're the one claiming that tools would exist to make it easy. I am saying that they did exist, and they were as easy as possible. What remains to be done, and

You're the one claiming that tools would exist to make it easy. I am saying that they did exist, and they were as easy as possible. What remains to be done, and why didn't it happen before the invention of XMLHTTPRequest? Could it get easier, and if so, how?